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Prelims

UPSC Prelims Questions

Practice UPSC Prelims MCQs by subject and year. Free questions with explanations for focused revision.

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Q.11413·Miscellaneous·2014·Easy

A fair coin is tossed four times. What is the probability that at most three tails occur ?

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Q.11414·Miscellaneous·2014·Easy

In a triangle ABC, sin A - cos B = cos C, then what is B equal to?

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Q.11415·Miscellaneous·2014·Easy

If (sin(x + y))/(sin(x - y)) = (a + b)/(a - b), then what is (tan x)/(tan y) equal to?

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Q.11416·Miscellaneous·2014·Easy

What is (cos 7x - cos 3x)/(sin 7x - 2 sin 5x + sin 3x) equal to?

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Q.11417·Miscellaneous·2014·Easy

Consider the expansion (x² + 1/x)¹⁵. What is the independent term in the given expansion ?

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Q.11418·Miscellaneous·2014·Easy

Consider the function f(x) = (x – 1)/(x + 1). What is f(f(x)) equal to ?

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Q.11419·Miscellaneous·2014·Easy

Consider the function f(x) = (x – 1)/(x + 1). What is f(2x) equal to ?

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Q.11420·Miscellaneous·2014·Easy

Which one among the following contains the most neutrons?

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Q.11421·Miscellaneous·2014·Easy

Which one of the following is not an ASEAN member?

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Q.11422·Miscellaneous·2014·Easy

Which of the following statements about SIMBEX 14 is/are correct? 1. It was a bilateral naval exercise between Indian navy and Sri Lankan navy. 2. It was the 21st in the series. 3. It was conducted in the Andaman Sea. Select the correct answer using the code given below.

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Q.11423·Miscellaneous·2014·Easy

Which one among the following countries was the top contributor to India’s FDI for the year 2013–14?

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Q.11424·Miscellaneous·2014·Easy

Which of the following about Malavath Poorna is correct?

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Q.11425·Miscellaneous·2014·Easy

Consider the following statements about Drishti system : 1. It is a sophisticated instrument to assess the runway visual range. 2. This system is developed by Airports Authority of India. Which of the statements given above is/are correct?

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Q.11426·Miscellaneous·2014·Easy

Consider the following statements : 1. China won both Thomas Cup and Uber Cup Badminton Tournaments, 2014. 2. The Uber Cup is the World Team Championship for women and the Thomas Cup is for men. Which of the statements given above is/are correct?

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Q.11427·Miscellaneous·2014·Easy

The dimension of ‘impulse’ is the same as that of

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Q.11428·Miscellaneous·2014·Easy

A particle is moving with uniform acceleration along a straight line ABC, where AB = BC. The average velocity of the particle from A to B is 10 m/s and from B to C is 15 m/s. The average velocity for the whole journey from A to C in m/s is

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Q.11429·Miscellaneous·2014·Easy

The densities of three liquids are D, 2D and 3D. What will be the density of the resulting mixture if equal volumes of the three liquids are mixed?

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Q.11430·Miscellaneous·2014·Easy

The electric field inside a perfectly conducting hollow object is

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