Indian Coast Guard Navik GD Previous Year Paper 20 March 2021 (Memory-Based, Section I + II)

The present ratio of ages of P and Q is 6 ∶ 7. 12 years ago, this ratio was 3 ∶ 4. Find the sum of total of their present ages.

If there is a loss of 30% after selling a pen for Rs. 56, then in what price will it be sold to get a profit of 20% ?

The speed of a boat in still water is 18 km/hr. If the speed of stream is 4 km/hr, then how much time will it take to cover a distance of 44 km in downstream?

Radha borrows Rs. 20000 from a bank on simple interest, find the rate of interest if she receives Rs. 3600 as interest after 2 years.

A man spends 25% of his income on food, 20% of his income on rent, and 15% of his income on traveling. After this, the remaining income of a man is Rs. 6000. Find the total income of man.

A train passes a platform in 42 seconds and a man standing on the platform in 25 seconds. If the speed of the train is 72 km/hr, what is the length of the platform?

A completes a work in 12 days and B completes the same work in 30 days. In many days will they complete the work together?

What is the ratio of the LCM to HCF of the 76, 114 and 304.

If the mean and median of a statistical data be 5 and 6 respectively, then the value of mode is

If a : b = 5 : 2, b : c = 8 : 9 and c : d = 9 : 4, then find the value of a : d.

The average runs scored by a batsman in eleven matches is 73 runs. After playing the twelfth match his new average got reduced by 5 runs. Find the runs scored by the batsman in the twelfth match.

What is the simplified value of (cosA + sinA)(cotA + tanA)?

P and Q together earn Rs. 250 per day. Q and R together earn 220 per day. P, Q, and R when working together earn Rs 350 per day. How much does Q earn daily?

The diagonal of a rectangular field is 10 metre and the perimeter is 28 metre, then what will be the area of the field?

Find the volume of a sphere of diameter 21 cm.

Rs. 1,800 is shared between A, B, and C. If A gets thrice of B, and B gets twice of C, then what is the share of A?

If sum of Rs. 3000 lent on compound interest becomes Rs.3993 in 3 years. Find the rate of interest.

Change the Voice - His colleague took him to the hospital.

Select the correct passive form of the given sentence. Had I completed the assignment?

Choose the option that is the indirect form of the sentence. She said, "I will be there at 3 pm."

Direction: Change the Narration- She said to me, "Will you buy the book?"

Direction : The sentence is divided into four parts. Find out which part has an error and mark it as your answer. If there is no error, mark 'No error' as your answer. I think a animal is (A)/ in the garage and (B)/ they all gather to see that animal. (C)/ No error (D)

Select the correct one-word for the given group of words. The scientific study of the material remains of past human life and activities.

Direction : Select the most appropriate meaning of the given idiom. Kick around

Direction : Choose the correctly spelt word from the given option.

Which one of the following alternatives has the correct spelling?

Direction : Select the synonym of the given word. FANATIC

In the following question, out of the given alternatives, choose the best one which expresses the meaning of the given word. Prejudice

Direction : Choose the word MOST SIMILAR in meaning to the given word. Barren

Direction : Select the ANTONYM of the given word. LAVISH

Direction : Select the correct antonym of the given word. Allure

Direction : Select the most appropriate antonym for the given word. Sever

A series is given in the following question. Find the term that will replace the question mark. 0, 8, 31, 74, 142, ?

If "FRAME" is coded as 53972 and "BOOK" is coded as 4881, then how is "MORE" coded?

If MNOP is written as QRST in a code language, then what will ABCD be written in that code language?

A word with letters jumbled has been given. Choose the correct order of letters which are required to form the correct word. Jumbled word: SPTRECE

Find the odd word from the given alternatives.

In the following question, select the related word from the given alternatives. Archeology : History ∷ Paleontology : ?

Select the number which can be placed at the sign of the question mark (?) from the given alternatives. 12 4 24 21 8 84 25 8 ?

Rubi runs 5 km towards south then 7 km towards east then she takes a right turn and walks 7 km. Again takes a left turn and moves 8 km. Finally she walks 8 km towards south. How far and in which direction direction is she from the starting point?

Which of the following sets of letters will be placed sequentially in the given alphabetical series to complete the given letter series? b_dc_efd_f_he_ghi

Who is the author of the book, 'Citizen and Society'?

What is the name of the first Indian missile?

Where is the National War Memorial of India located?

In March 2021, which of the following union territories announced to set up its own school education board?

Who led the revolt of 1857 in the city of Kanpur?

Growth hormone is secreted by:

Blue colour of the sky and the reddish appearance of the Sun at the sunrise or sunset is due to

Weber is the unit of _______.

Polygraph is a device commonly used by law enforcement agencies for:

The electron was first identified by________.

Which of the following is used in soda-acid fire extinguishers?

Which acid is present in sour milk?

A current of 0.5 A is drawn by a filament of an electric bulb for 20 minutes, find the amount of electric charge that flows through the circuit.

What is the chemical name of Vitamin-B7

An electric bulb of 100 Watt operates 10 hour a day. What is the cost of energy to operate it for one day at Rs. 6 per kWh?

Unit of dipole moment is:

In Youngs experiment, when the distance between slit and screen is doubled, while separation of slit is halved, then fringe width will be:

Rutherford's alpha (α) particle scattering experiment resulted into the discovery of

When the distance between the two charges remains the same and the charges on them are increased by two times, then the force between the two charges

When the distance between the two charges is reduced by half without changing the magnitude of charges. Then the force between the two charges

If a dielectric is inserted between the parallel plate capacitor then capacitance will ______.

If the distance between the plates of a parallel plate capacitor is halved keeping other parameters unchanged. The the new capacitance will become-

Five capacitor of capacitance C are connected (I) in series and then (II) in parallel. The ratio of equivalent capacitance in case (I) to that in case (II) is:

If the mass of a body is doubled then what'll happen to its acceleration if the same force is applied?

When number of turns per unit length of a solenoid is doubled, its self inductance becomes:

Which of the following option is correct regarding transformer?

A ball is thrown vertically upwards with a velocity of 29.5 m/s. How high will the ball rise (in meters)? (use g = 10 m/s²)

A charge Q is placed at the centre of a cube. Find the flux of the electric field through the six surfaces of the cube.

The ratio of the drift velocity to the magnitude of electric field in a conductor is equal to the __________.

When the length of the solenoid is doubled without any change in the number of turns and the area of the coil. Then its self-inductance will

In a moving coil galvanometer, if the current flowing through it is increased, then the deflection in the coil will

Capacitive reactance is equal to _______.

A man is standing on a revolving platform with his hands spread outward. Then:

The equation of a wave is given by y = 2 sin (314t − 2x + π/2) m. The wavelength of the wave is:

Zener diode is used as:

Which of the following statement is INCORRECT about necessary conditions for a geostationary satellite?

If a wire of resistance R is stretched to double of its length, then the new resistance will be

The domain of cos⁻¹(2x + 1) is:

In a ΔABC, if a = 13, b = 14 and c = 15 then find the value of tan (C/2) ?

If ABᵀ is defined as a square matrix, then what is the order of the matrix B, where matrix A has order 2 × 3?

The 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

If 6sin²x − 2cos²x = 4, then find the value of tan x?

The difference of focal distances of any point on a hyperbola is equal to the length of

What is the value of log₉27 + log₈32?

If y = xˣ, what is dy/dx at x = 1 equal to?

For the data 3, 5, 1, 6, 5, 9, 5, 2, 8, 6 the mean, median and mode are x, y and z respectively. Which one of the following is correct?

What is the value of lim (x→0) (1 − cos 2x)² / x⁴ ?

The constraints –x + y ≤ 1, −x + 3y ≤ 9 and x, y ≥ 0 define a:

Find dy/dx when y = x²eˣ

If (2 − i)(x − iy) = 3 + 4i, then 5x is

The points (5, -2), (8, -3) and (a, -12) are collinear if the value of a is

If the coefficient of x in (x² + k/x)⁵ is 270, then k is

Find the range of the real function f(x) = (x + 1)/(x − 3)