Free paper practice
Indian Coast Guard Navik GD Previous Year Paper 21 March 2021 (Memory-Based, Section I + II)
Indian Coast Guard Navik / Yantrik (CGEPT) • 2021 • 87 Questions • Free practice
Q1Quantitative Aptitude
MediumIf 70% of p = 20% of q, then what percent of p is q?
A. 250%
B. 315%
C. 350%
D. 280%
View answer and available explanation
Correct Option: C
Q2Quantitative Aptitude
MediumThe ages of Manoj and Mahendra are in the ratio of 4 : 3 and the difference of their ages is 11 years. What will be the ratio of their ages after 5 years?
A. 49 : 38
B. 39 : 28
C. 44 : 33
D. 38 : 49
View answer and available explanation
Correct Option: A
Q3Quantitative Aptitude
MediumA car travelling at 40 km/hr completes a journey in 5 hours. At what speed will it have to cover the same distance in 8 hours?
A. 30 KM/hr
B. 40 km/hr
C. 35 km/hr
D. 25 km/hr
View answer and available explanation
Correct Option: D
Q4Quantitative Aptitude
MediumSum of Rs. 1750 is divided into two parts such that interest on first part at 8% per annum and second part at 6% per annum are equal. interest on each part is ?
A. 60
B. 55
C. 61
D. 63
View answer and available explanation
Correct Option: A
Q5Quantitative Aptitude
MediumHow much will Rs. 25,000 amount to in 2 years at compound interest, if the rate of interest for successive years is 4% and 5% per year?
A. Rs. 25,300
B. Rs. 26,300
C. Rs. 27,300
D. Rs. 28,300
View answer and available explanation
Correct Option: C
Q6Quantitative Aptitude
MediumFind the mean and median of the given data respectively: {21, 22, 24, 25, 25, 18, 26}
A. 23, 24
B. 24, 23
C. 22, 25
D. 25, 22
View answer and available explanation
Correct Option: A
Q7Quantitative Aptitude
MediumIf an article is sold at a loss of 20% for Rs. 450, then, what will be the price of the article if it is sold at 20% profit?
A. Rs. 475
B. Rs. 575
C. Rs. 675
D. Rs. 775
View answer and available explanation
Correct Option: C
Q8Quantitative Aptitude
MediumThe present ages of three persons in proportions 8 : 4 : 3. 5 years ago, the sum of their ages was 90. Find their present ages (in years)?
A. 20, 24, 16
B. 42, 20, 25
C. 38, 25, 30
D. 56, 28, 21
View answer and available explanation
Correct Option: D
Q9Quantitative Aptitude
MediumIn a family of 14 members, the average age of all the family members is 30 years. A new baby born in a family, Find the average age of all the family members after 4 years?
A. 23 years
B. 32 years
C. 30 years
D. 35 years
View answer and available explanation
Correct Option: B
Q10Quantitative Aptitude
MediumIf a + b = 8 and a² + b² = 34, then the value of ab is
A. 30
B. 64
C. 98
D. 15
View answer and available explanation
Correct Option: D
Q11Quantitative Aptitude
MediumIn an examination, Manish got 20% of the total marks and failed by 20 marks. Mohit got 40 marks and failed by 10% of the total marks. What is the total marks in the examination?
A. 200 marks
B. 240 marks
C. 300 marks
D. 180 marks
View answer and available explanation
Correct Option: A
Q12Quantitative Aptitude
MediumIf A = 30°, then the value of 2 sin A × cos A is _____.
A. √3/2
B. √3
C. 3/2
D. 6
View answer and available explanation
Correct Option: A
Q13Quantitative Aptitude
MediumIf sin(3x)° = cos(2x + 45)°, then what is the value of x?
A. 4°
B. 7°
C. 9°
D. 10°
View answer and available explanation
Correct Option: C
Q14Quantitative Aptitude
MediumThe vertex angle ∠L of an isosceles ΔLMN is 4 times the angle ∠M. Find ∠N and ∠L.
A. 30 and 120
B. 25 and 100
C. 10 and 40
D. 20 and 80
View answer and available explanation
Correct Option: A
Q15Quantitative Aptitude
MediumIf the radius of a circle is increased by 10% then what is the percentage increase in its area?
A. 11%
B. 21%
C. 25%
D. 10%
View answer and available explanation
Correct Option: B
Q16Quantitative Aptitude
MediumA boat goes 8 km upstream and 8 km downstream in 3 hours. If the speed of current is 2kmph, find the speed of boat in still water in kmph.
A. 4
B. 3
C. 6
D. 8
View answer and available explanation
Correct Option: C
Q17Quantitative Aptitude
MediumThe cost price of the tablet is Rs. 20,100. The retailer gave 40% discount on the marked price. If the tablet is sold at 40% profit, find the marked price of the tablet.
A. Rs. 40,800
B. Rs. 27,500
C. Rs. 35,750
D. Rs. 46,900
View answer and available explanation
Correct Option: D
Q18Quantitative Aptitude
MediumWhen Aman alone does a piece of work, he takes 16 days more than the time taken by Aman and Ajeet to complete the work, while Ajeet alone takes 9 days more than the time take by both to finish the work. What time, both will take to finish this work?
A. 12
B. 11
C. 15
D. 9
View answer and available explanation
Correct Option: A
Q19Quantitative Aptitude
MediumA and B alone can complete the work in 15 days and 20 days respectively. They took work for Rs. 840. Find the difference between the wages of A and B.
A. Rs.110
B. Rs.135
C. Rs.120
D. Rs.100
View answer and available explanation
Correct Option: C
Q20English Language
MediumChoose the option that is the passive form of the given sentence. Who has given permission to enter the garden?
A. By whom has permission been given to you to enter the garden?
B. By whom had been permission given to you to enter the garden?
C. By whom was permission given to you to enter the garden?
D. By whom is the permission being given to you to enter the garden?
View answer and available explanation
Correct Option: A
Q21English Language
MediumChoose the option that is the passive form of the given sentence. Be kind to everyone but do not trust anyone.
A. You are advised to be kind to everyone and requested not to trust anyone.
B. You are advised to be kind to everyone but forbidden to trust anyone.
C. You are warned to be kind to everyone and advised to not trust anyone.
D. You are requested to be kind to everyone and to not trust anyone.
View answer and available explanation
Correct Option: B
Q22English Language
MediumDirection : Change the Narration- The teacher said to her, "Do not waste your time."
A. The teacher advised her do not to waste her time.
B. The teacher advised her not to waste her time.
C. The teacher advised her not do not waste her time.
D. The teacher advised her not to wasted her time.
View answer and available explanation
Correct Option: B
Q23English Language
MediumChoose the option that is the indirect form of the sentence. Nikita said to me, "Will you come to the party tonight?"
A. Nikita asked me whether I would come to the party that night.
B. Nikita asked me whether I will come to the party that night.
C. Nikita asked me whether I would come to the party tonight.
D. Nikita asked me whether you would come to the party that night.
View answer and available explanation
Correct Option: A
Q24English Language
MediumDirection : Spot the erroneous parts, if any, in the following sentences: We visited (A) / the beach and the seawater (B) / felt warmly. (C) / No error (D)
A. (A)
B. (B)
C. (C)
D. (D)
View answer and available explanation
Correct Option: C
Q25English Language
MediumDirection: Find out which part has an error and mark it as your answer. If there is no error, mark 'No error' as your answer. The ways of communication has (A) / changed dramatically (B) / since the last century. (C) / No error (D)
A. (A)
B. (B)
C. (C)
D. (D)
View answer and available explanation
Correct Option: A
Q26English Language
MediumDirection: Fill in the blank with the most appropriate option. ________ in the first attempt, he did not try again.
A. Being failing
B. Having failed
C. Being failed
D. Having fail
View answer and available explanation
Correct Option: B
Q27English Language
MediumDirection : Choose the correct one-word substitute for the following: The killing of a race of people
A. homicide
B. suicide
C. genocide
D. patricide
View answer and available explanation
Correct Option: C
Q28English Language
MediumChoose the correct meaning of the following phrase/idiom: Veer away
A. To control
B. To run away
C. To distract
D. To avoid
View answer and available explanation
Correct Option: D
Q29English Language
MediumIn the given question, four words are given out of which one word is correctly spelt. Choose the correctly spelt word.
A. Conscience
B. Concince
C. Concinse
D. Caunscience
View answer and available explanation
Correct Option: A
Q30English Language
MediumDirection: Select the most appropriate synonym of the given word. MORALE
A. Appearance
B. Attitude
C. Self-confidence
D. Reputation
View answer and available explanation
Correct Option: C
Q31English Language
MediumDirection: Choose the words similar in meaning to the ones in capitals. MISERY
A. Loss
B. Falsehood
C. Fraud
D. Sorrow
View answer and available explanation
Correct Option: D
Q32English Language
MediumDirection: Select the most appropriate ANTONYM of the given word. AWKWARD
A. Problematic
B. Convenient
C. Difficult
D. Matchless
View answer and available explanation
Correct Option: B
Q33English Language
MediumIn the following question, choose the word which is opposite in meaning to the given word. Haughty
A. Attractive
B. Angry
C. Modest
D. Spatial
View answer and available explanation
Correct Option: C
Q34English Language
MediumDirection : In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it. NULLIFY
A. Avoid
B. Authenticate
C. Acquire
D. Ascend
View answer and available explanation
Correct Option: B
Q35General Awareness
MediumWho is the first non-Indian to receive Bharat Ratna?
A. Dr. Martin Luther King, Jr.
B. Mother Teresa
C. Khan Abdul Ghaffar Khan
D. Zubin Mehta
View answer and available explanation
Correct Option: C
Q36General Awareness
MediumThe Tropic of Cancer passes through how many states of India?
A. 6
B. 7
C. 8
D. 9
View answer and available explanation
Correct Option: C
Q37General Awareness
MediumWhich of the following is capital of Cambodia?
A. Nicosia
B. Hanoi
C. Phnom Penh
D. Dili
View answer and available explanation
Correct Option: C
Q38General Awareness
MediumVinesh Phogat is related to which of the following sports?
A. Chess
B. Archery
C. Athletics
D. Wrestling
View answer and available explanation
Correct Option: D
Q39General Science
MediumThe mirror used by a dentist to examine the teeth of patients is
A. Concave
B. Convex
C. Plane
D. Cylindrical
View answer and available explanation
Correct Option: A
Q40General Science
MediumPeeling of Onions causes tears as onion releases:
A. Sulphonic Acid
B. Sulfenic Acid
C. Amino Acid
D. Carbolic Acid
View answer and available explanation
Correct Option: B
Q41General Science
MediumWhat is the chemical formula of Dry ice?
A. CO
B. CO₂
C. H₂O
D. H₂O₂
View answer and available explanation
Correct Option: B
Q42General Science
MediumThe chemical formula of sodium carbonate is ______.
A. Na₂CO₃
B. NaCO₃
C. Na₃CO₂
D. NaCO₂
View answer and available explanation
Correct Option: A
Q43General Science
MediumThe acid used in a car battery is:
A. Acetic acid
B. Hydrochloric acid
C. Nitric acid
D. Sulfuric acid
View answer and available explanation
Correct Option: D
Q44General Science
MediumWhich of the following is a vector quantity?
A. Force
B. Pressure
C. Energy
D. Temperature
View answer and available explanation
Correct Option: A
Q45General Science
Medium1 barrel of oil = ________ litre.
A. 159
B. 166
C. 110
D. 127
View answer and available explanation
Correct Option: A
Q46General Science
MediumIf the current in the wire is doubled then the heat produce will become:
A. Half
B. One fourth
C. Double
D. Four times
View answer and available explanation
Correct Option: D
Q47General Science
MediumBecquerel is the unit of measurement of _____.
A. Radioactivity
B. Velocity
C. conductivity
D. Resistivity
View answer and available explanation
Correct Option: A
Q48General Science
MediumCalculate the relative molecular mass of CO₂.
A. 46 u
B. 44 u
C. 40 u
D. 45 u
View answer and available explanation
Correct Option: B
Q49Reasoning Ability
MediumSelect the option in which the words share the same relationship as that shared by the given pair of words. Kangaroo : Joey
A. Deer : Fawn
B. Calf : Elephant
C. Cub : Tiger
D. Piglet : Pig
View answer and available explanation
Correct Option: A
Q50Reasoning Ability
MediumSelect the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster. ONLJ : WVTR :: PMGE : XUOM :: QLKI : ?
A. YTPR
B. YTSQ
C. WTSQ
D. QLKR
View answer and available explanation
Correct Option: B
Q51Reasoning Ability
MediumFour number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
A. 19 ∶ 324
B. 5 ∶ 35
C. 7 ∶ 63
D. 13 ∶ 195
View answer and available explanation
Correct Option: A
Q52Reasoning Ability
MediumRam pointed to Sohan and said, "He is the only son of my mother's father." How is Sohan related to Ram's mother?
A. Husband
B. Nephew
C. Maternal uncle
D. Brother
View answer and available explanation
Correct Option: D
Q53Reasoning Ability
MediumSelect the combination of letters that, when placed sequentially in the blanks of the given series, will complete the series. T _ X T U _ _ U X T _ X
A. T X X U
B. U X T U
C. T U U X
D. X T U X
View answer and available explanation
Correct Option: B
Q54Reasoning Ability
MediumRiya walks 20 m southward, then turns left and walks 60 m. She then turns right and walks 100 m. What is the total distance that Riya travelled?
A. 100 m
B. 120 m
C. 240 m
D. 180 m
View answer and available explanation
Correct Option: D
Q55Reasoning Ability
MediumIf P means 'Addition', Q means 'Multiply', R means 'Divide' and S means 'Subtraction', then what is the value of the following expression? 18 R 9 P 2 Q 8 S 4
A. 18
B. 16
C. 14
D. 20
View answer and available explanation
Correct Option: C
Q56Physics (Class 12)
MediumThe resistivity of material depends on
A. Length of conductor
B. Area of cross section
C. Type of material
D. All the above
View answer and available explanation
Correct Option: C
Q57Physics (Class 12)
MediumThe process of superimposing signal frequency ( i.e. audio wave) on the carrier wave is known as
A. Transmission
B. Reception
C. Modulation
D. Detection
View answer and available explanation
Correct Option: C
Q58Physics (Class 12)
MediumUnidirectional property of p-n junction diode is utilized in
A. transistor
B. rectifier
C. amplifier
D. oscillator
View answer and available explanation
Correct Option: B
Q59Physics (Class 12)
MediumQuantization of electric charge is demonstrated by:
A. Millikan’s oil drop experiment
B. Thompson’s experiment
C. Rutherford’s α-ray scattering experiment
D. Stern-Gerlach experiment
View answer and available explanation
Correct Option: A
Q60Physics (Class 12)
MediumMost of the energy produced by the sun is due to
A. nuclear fission
B. nuclear fusion
C. chemical reaction
D. gravitational collapse
View answer and available explanation
Correct Option: B
Q61Physics (Class 12)
MediumIn Huygens principle, the relation between wavefront and the ray of light is-
A. Ray of light is perpendicular to the wavefront
B. Ray of light is parallel to the wavefront
C. Ray of light is tangential to the wavefront
D. Ray of light coincides exactly with the wavefront
View answer and available explanation
Correct Option: A
Q62Physics (Class 12)
MediumThe focal length of the convex mirror is 50 cm. If the image formed is half of the size of the object, the distance of the object from the mirror is:
A. 50 cm
B. 25 cm
C. 100 cm
D. 20 cm
View answer and available explanation
Correct Option: A
Q63Physics (Class 12)
MediumTwo infinite plane parallel sheets having surface charge density +σ and –σ are kept parallel to each other at a small separation distance d. The electric field at any point in the region between the plates is
A. zero
B. σ/ε₀
C. σ/2ε₀
D. σ/3ε₀
View answer and available explanation
Correct Option: B
Q64Physics (Class 12)
MediumIf the increase in internal energy of the system is 100 J, when 200 J heat is given to the system, then the work done will be:
A. 200 J
B. 300 J
C. 100 J
D. 0 J
View answer and available explanation
Correct Option: C
Q65Physics (Class 12)
MediumIf the kinetic energy of a body is increased by 125%, then its momentum will increase by:
A. 25%
B. 50%
C. 75%
D. 125%
View answer and available explanation
Correct Option: B
Q66Physics (Class 12)
MediumA boxer moves his head backward while he receive a punch to the head. This is done to
A. increase the contact time and avoid getting hurt
B. decrease the contact time and avoid getting hurt
C. create confusion to the opponent
D. to increase the momentum
View answer and available explanation
Correct Option: A
Q67Physics (Class 12)
MediumDuring projectile motion, the acceleration of the particle in the horizontal direction is:
A. Equal to g
B. Zero
C. Less than g
D. More than g
View answer and available explanation
Correct Option: B
Q68Physics (Class 12)
MediumTwo forces of magnitudes 2F and √2F act such that the resultant force is √10 F. Then find the angle between the two forces.
A. 45°
B. 90°
C. 120°
D. 30°
View answer and available explanation
Correct Option: A
Q69Physics (Class 12)
MediumA racing car accelerates on a straight road from rest to the speed of 160 m/s in 10 s. Assuming uniform acceleration of the car throughout, the distance covered in this time will be
A. 8 m
B. 800 m
C. 8000 m
D. 1.6 × 10² m
View answer and available explanation
Correct Option: B
Q70Physics (Class 12)
MediumWe can remove the end error of meter bridge experiment by
A. changing the wire used in the meter bridge
B. repeating the experiment by changing known and unknown resistances
C. taking average value of resistances determined using 2)
D. both 2) and 3)
View answer and available explanation
Correct Option: D
Q71Physics (Class 12)
MediumWhich of the following statements is correct regarding AC generators?
A. It converts mechanical energy into electrical energy.
B. It works on the principle of Faraday's Law.
C. Generated energy can be in the form of a sinusoidal waveform.
D. All of the above statements are correct regarding AC generators.
View answer and available explanation
Correct Option: D
Q72Physics (Class 12)
MediumA body is falling freely in a viscous liquid. If the radius of the body is doubled, its terminal velocity will become:
A. Doubled
B. Four times
C. One fourth
D. Half
View answer and available explanation
Correct Option: B
Q73Physics (Class 12)
MediumIf ΔU is the increase in internal energy and W is the work done by a system, then which of the following statements is true?
A. ΔU = W in an adiabatic process
B. ΔU = -W in an isothermal process
C. ΔU = -W in an adiabatic process
D. ΔU = W in an isothermal process
View answer and available explanation
Correct Option: C
Q74Physics (Class 12)
MediumA symmetrical biconvex lens of focal length 'f' is cut into four identical pieces along and perpendicular to its principal axis The focal length of each of four pieces is
A. 4f
B. f / 4
C. 2f
D. f / 2
View answer and available explanation
Correct Option: C
Q75Physics (Class 12)
MediumIf the length of the conductor wire is increased, the slope of the V-I curve:
A. Increases
B. Decreases
C. Remains same
D. Can't say
View answer and available explanation
Correct Option: A
Q76Mathematics (Class 12)
MediumIf y = sin(log cos x), then what is the value of dy/dx?
A. dy dx cos (log (cos x)).tan x
B. sin (log (cos x)).tan x
C. -cos (log (cos x)).tan x
D. -cos (log (sin x)).tan x
View answer and available explanation
Correct Option: C
Q77Mathematics (Class 12)
MediumIf f(x) = x³ + 3x² + 3x − 7, then find the value of df(x)/dx at x = 2?
A. 23
B. 24
C. 27
D. 30
View answer and available explanation
Correct Option: C
Q78Mathematics (Class 12)
MediumIf ∫₀ᵃ dx/(1 + x²) = π/4, then find the value of a?
A. 1
B. 2
C. 3
D. 4
View answer and available explanation
Correct Option: A
Q79Mathematics (Class 12)
MediumIf tan a · tan(π/3 + a) · tan(π/3 − a) = K tan(3a), then find the value of K?
A. 1
B. 2
C. 3
D. 4
View answer and available explanation
Correct Option: A
Q80Mathematics (Class 12)
MediumThe integrating factor of the differential equation dy/dx + xy = x is
A. e^(−x²/2)
B. e^(x²/2)
C. eˣ
D. None of these
View answer and available explanation
Correct Option: B
Q81Mathematics (Class 12)
MediumWhat is the value of lim (x→0) (1 − cos 2x)² / x⁴ ?
A. 1
B. 8
C. 4
D. 0
View answer and available explanation
Correct Option: C
Q82Mathematics (Class 12)
MediumIf y = xˣ, what is dy/dx at x = 1 equal to?
A. 0
B. 1
C. -1
D. 2
View answer and available explanation
Correct Option: B
Q83Mathematics (Class 12)
MediumIf ABᵀ is defined as a square matrix, then what is the order of the matrix B, where matrix A has order 2 × 3?
A. 3 × 3
B. 2 × 3
C. 4 × 2
D. 3 × 2
View answer and available explanation
Correct Option: B
Q84Mathematics (Class 12)
MediumThe value of 'a' such that the vector 2 î - ĵ + k̂ , î + 2 ĵ - 3 k̂ and 3 î + a ĵ + 5 k̂ are coplanar, is
A. 1
B. -2
C. 4
D. -4
View answer and available explanation
Correct Option: D
Q85Mathematics (Class 12)
MediumWhat is the domain of the function f(x) = cos⁻¹(x − 2)?
A. [-1, 1]
B. [1, 3]
C. [0, 5]
D. [-2, 1]
View answer and available explanation
Correct Option: B
Q86Mathematics (Class 12)
MediumWhat is ω¹⁰⁰ + ω²⁰⁰ + ω³⁰⁰ equal to, where ω is the cube root of unity?
A. 1
B. 3ω
C. 3ω 2
D. 0
View answer and available explanation
Correct Option: D
Q87Mathematics (Class 12)
MediumWhat is the value of log₁₀x if log₁₀2 = 0.301 and log₍ₓ₋₃₎(2x − 7) = 2?
A. 0.903
B. 0.4515
C. 0.602
D. 0.3612
View answer and available explanation
Correct Option: C