Indian Coast Guard Navik GD Previous Year Paper 22 March 2021 (Memory-Based, Section I + II)

The cost price of a teddy is Rs.1500 and it was sold for Rs.1230, find the loss %?

A train of length 105 m crosses a man in 15 seconds, and crosses a platform in 35 seconds, Then what is the length of the platform?

2.25 expressed as a percent of 15 is:

Find the median of given data. {13, 2, 5, 18, 6, 3, 6, 7, 8, 11, 17}

Calculate the volume of a sphere with diameter 42 cm.

The ratio of three numbers is 2 : 3 : 4. The sum of these numbers is 108. What is the largest number?

If A is 80% of B, what percent of A is B?

If 11√n = √112 + √343, then the value of n is:

The speed of car A is two times of car B's speed. If car A covers a distance of 154 kilometers in 2 hours and 45 minutes then find the speed of the car B.

If x + 1/x = 3, then find the value of x⁶ + 1/x⁶.

If sin(3A) = cos(70° - A), then find the value of A?

The ratio of the angles in a quadrilateral are in ratio 2 ∶ 6 ∶ 4 ∶ 8. Find the value of the smallest angle.

A sum of money amounts to Rs. 24000 in 2 years and Rs. 30000 in 5 years at simple interest, find the rate of interest.

The LCM of two numbers is 25 times their HCF. The product of the two numbers is 2025. Find the HCF.

Find the value of (sin 78°/cos 12°) − (sin 63°/cos 27°) + 3(cos²69° + cos²21°)

3 men and 4 women can complete the work in 10 days. 24 men and 2 women can complete the work in 2 days. What is time taken by 11 men and 3 women to complete it?

Nitin purchases 4 seed bag at the same price. He sell two seed bags at 10% profit, one at 6% loss and the last one at 10% loss then find net profit or loss%.

A bag contains Rs 110 in the form of Rs.1, 50 paise, and 25 paise coins. The ratio of the number of coins is 1 : 2 : 3. Find out the number of coins of 50 paise.

The average of 15 numbers is 22. If the 16 th number is added into them the average becomes 25 then what is the 16 th number?

Select the correct passive form of the given sentence: Had he touched my bag?

Change the Voice - Mona had cleaned the room.

Direction : Change the Narration- She said to me, " Will you come for the party?"

Direction: Which one of the following options correctly converts the sentence into indirect speech? The boy said, “I completed reading this book yesterday.”

Direction : Find out which part has an error and mark it as your answer. If there is no error, mark 'No error' as your answer. My aunt can only crawl (A) / before the operation, (B) / but now she can walk and run. (C) / No error (D)

Direction: Pick out the most appropriate word from the words given below each sentence to complete it meaningfully. It has been raining ________ morning.

Direction: Fill in the blank with the most appropriate phrasal verb. Did you remember to ________ the water and gas before you left the house?

Direction : Choose the most appropriate preposition and fill in the blank: I think my best friend is talking bad about me ______ my back.

Direction : Select the most appropriate word for the given group of words. someone who is satisfied with life in general.

Direction: Select the word which means the same as the group of words given. A person who thinks he/she is the best.

Direction: Choose the correct meaning of the following phrase/idiom. Show off

Direction : Find the correct synonym of the following word. Lucid

Select the most appropriate synonym of the given word. MASQUERADED

Select the most appropriate ANTONYM of the given word. CONCEALED

Directions: Select the most appropriate ANTONYM of the given word IMPROMPTU

Jama Masjid of Delhi was built by?

Who discovered the circulation of Blood?

Who was the first Indian to win Nobel Prize?

The rearing of silkworms for obtaining silk is known as

Which of the following countries will host the 2023 women's T-20 Cricket World Cup?

Car moving on a straight road is an example of __________motion.

Which of the following is the scientific name of Potato?

Which disease is caused due to lack of vitamin D in the body?

Which chemical is used to give green colour to firecrackers?

Physical quantity of _____ is measured in watt.

Beriberi disease is due to the deficiency of vitamin __________.

Gravitational force is maximum at which of the following places ?

Which of the following is a vector quantity?

A block of mass 20 kg is moving with velocity 10 m/s on a rough horizontal surface. Maximum amount of heat that can be generated from this block is _______.

If CAMP is coded as 6217 and FIRE is coded as 8954, then what is the code of PREFACE?

John points out to a lady and says, “She is the mother of my son's wife's daughter.” How is the lady related to John?

Find the odd pair of numerals:

Select the option that is related to the third term in the same way as the second term is related to the first term. TUS : VWU :: FGE : ?

If '+' means '×', '-' means '÷', '×' means '-' and '÷' means '+' then 18 × 9 ÷ 3 + 8 - 4 = ?

P.V. Sindhu is related to badminton in the same way as Virat Kohli is related to:

The energy radiated by a black body is directly proportional to

A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will

The Young's modulus of a wire of length L and radius r is Y N/m². If the length and radius are reduced to L/3 and r/4, then its Young's modulus will be

The acceleration due to gravity is

Curie temperature is the temperature above which

An observer is moving towards a stationary source of frequency 250 Hz with a velocity of 40 m/s. If the velocity of sound is 330 m/s, the apparent frequency heard by the observer will be:

What is the dimensional formula of strain?

What will be the photon energy in joule if it has a wavelength of 2000 Å?

An ideal gas heat engine is operating at Carnot cycle between 200°C and 125°C. If it absorbs 1000 J of heat at 200°C, the amount of heat converted into work is-

Candela is unit of _________.

What is the coefficient of restitution for a perfectly elastic collision?

Water flows into a pipe of diameter 7 cm at 20 km/hr and exits through 'n' number of holes each of diameter 1 cm from the other end at 70 km/hr. Find 'n'.

Choose the correct statement about P-type and N-type semiconductor.

A particle of mass m is moving along a circle of radius R with a velocity v = 2t³. Find the tangential acceleration of the particle at time t = 2 s.

Two similar cubes A and B contains a charge q and 2q respectively, then the ratio of the flux associated with the cube A to the cube B will be:

Consider the following statements: a) Photon exerts no pressure. b) Rest mass of the photon is zero c) Energy of photon is hν Which of the following statements are correct?

In Young’s double slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the fourth bright fringe and the central bright fringe is measured to be 1.2 cm. Calculate wavelength of light used in this experiment.

A thin ring of mass 5 kg and diameter 20 cm is rotating about its axis at 4200 rpm. Find its angular momentum (in kg·m²/s).

Find the magnification of the convex lens, if an object is placed 30 cm from a convex lens which has a focal length of 15 cm.

If a wire in the circuit is replaced with a wire of resistivity four times and the length and cross- sectional area is the same. Then the current in the circuit will become:

Evaluate the integral ∫₀^(π/2) dx / (1 + tan x)

The domain of the function f(x) = 1/√(|x| − x) is

If |a⃗| = 3, |b⃗| = 4 and a⃗ · b⃗ = 6, then find the value of |a⃗ × b⃗|.

Calculate the area under the curve y = 2√x included between the lines x = 0 and x = 4.

What is the solution of the differential equation x dy − y dx = 0?

If the points (k, 2k), (3k, 3k) and (3, 1) are collinear, then the value of k is

In what ratio is the line joining the points A(−1, 1) and B(5, 7) divided by the line x + y = 4?

sin²6x − sin²4x =

If A is a 2 × 3 matrix and AB is a 2 × 5 matrix, then B must be a

If the parabola y² = px passes through the point (−2, 3), then the length of its latus rectum is:

Find the solution set for x ∈ R which satisfies both the inequations: 2(3x − 4) − 2 < 4x − 2 ≥ 2x − 4 and 5x − 3 < 3x + 1.

If the total number of observations is 20, Σxᵢ = 1000 and Σxᵢ² = 84000, then what is the variance of the distribution?

The domain of sin⁻¹(4x) is:

In ΔABC, ∠ B = 90°, AC = 169 cm, and BC = 120 cm. The length of AB (in cm) is

If mean of the observations 25, 29, 25, 32, 24 and x is 27, then median of the observations is

Find the coordinates of the focus of the parabola x² = 6y.

Find the centre and the radius of the circle x² + y² − 12x − 18y − 27 = 0