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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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  2. /Prelims Questions
Q.11017·Miscellaneous·2015·Easy

A person could save 10% of his income. But 2 years later, when his income increased by 20%, he could save the same amount only as before. By how much percentage has his expenditure increased?

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Q.11018·Miscellaneous·2015·Easy

16 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of milk is added to this mixture, the ratio of milk to water in the new mixture would be

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Q.11019·Miscellaneous·2015·Easy

A milkman claims to sell milk at its cost price only, but he is making a profit of 20% since he has mixed some amount of water in the milk. What is the percentage of milk in the mixture?

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Q.11020·Miscellaneous·2015·Easy

The difference between the squares of two consecutive odd integers is always divisible by

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Q.11021·Miscellaneous·2015·Easy

What is the number of possible pairs of (P, Q) if the number 357P25Q is divisible by both 3 and 5?

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Q.11022·Miscellaneous·2015·Easy

A student was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was

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Q.11023·Miscellaneous·2015·Easy

Consider the following statements: 1.The equation 1990x - 173y = 11 has no solution in integers for x and y. 2.The equation 3x - 12y = 7 has no solution in integers for x and y. Which of the above statements is/are correct?

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Q.11024·Miscellaneous·2015·Easy

A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with a speed of 20 km/hr and the last one-third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is

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Q.11025·Miscellaneous·2015·Easy

Two persons A and B start simultaneously from two places c km apart, and walk in the same direction. If A travels at the rate of p km/hr and B travels at the rate of q km/hr, then A has travelled before he overtakes B a distance of

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Q.11026·Miscellaneous·2015·Easy

A person goes to a market between 4 p.m. and 5 p.m. When he comes back, he finds that the hour hand and minute hand have interchanged their positions. For how much time (approximately) was he out of his house?

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Q.11027·Miscellaneous·2015·Easy

The efficiency of P is twice that of Q, whereas the efficiency of P and Q together is three times that of R. If P, Q and R work together on a job, in what ratio should they share their earnings?

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Q.11028·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). DEPLORE

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Q.11029·Miscellaneous·2015·Easy

In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is

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Q.11030·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). MOTIVATION

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Q.11031·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). RESIDUE

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Q.11032·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). PERPETUAL

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Q.11033·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). ASSENT

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Q.11034·Miscellaneous·2015·Easy

In this question consists of a word in capital letters followed by four words as (a), (b), (c) and (d). Select the word which is most nearly the same in meaning as the original word and mark the correct response as (a), (b), (c) or (d). DEFIANCE

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