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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.2449·Miscellaneous·2023·Easy

Other things remaining constant, the market supply for a good increases if: 1. Its price increases. 2. Price of its factors of production decreases. 3. Price of other goods decreases. Select the correct answer using the code given below:

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Q.2450·Miscellaneous·2023·Easy

Match the underlined word in each of the sentences with the correct parts of speech and indicate your response on the answer sheet accordingly. Cash machines permit people to withdraw money at any time.

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Q.2451·Miscellaneous·2023·Easy

When every even power of every odd integer (greater than 1) is divided by 8, what is the remainder ?

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Q.2452·Miscellaneous·2023·Easy

Twelve percent of bananas bought by a fruit vendor got lost during transportation. On selling the remaining bananas, the vendor's overall profit turned out to be 4%. If the vendor had not lost any bananas and had sold them at the price of the remaining bananas, what would have been his profit percentage?

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Q.2453·Miscellaneous·2023·Easy

Consider the following for the next two (02) items that follow: Let (x - a)(x - b)/(x - ma) (x - mb) = (x+ a)(x + b)/(x+ ma)(x+ mb); m, a, b > 0 : What is x equal to ?

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Q.2454·Miscellaneous·2023·Easy

If a, b, c, x, y, z are real numbers such that (a + b + c)^2 - 3(ab + bc + ca) + 3(x^2 + y^2 + z^2) = 0, then which one of the following is correct ?

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Q.2455·Miscellaneous·2023·Easy

Consider the following for the next (05) items that follow: A, B, C, D, E, F and G are cousins. D is thrice as old as A. Further, C is as many years younger to B, as G to E and E to D. The average age of D and G is 16 years; the average age of A and E is 11 years; the average age of B and C is also 11 years. B and С have equal weight. A's weight is 10 kg less than that of B; D is 4 kg heavier than E; E is 4 kg heavier than F; F is 4 kg heavier than G. Further, D has age-weight ratio of 9 : 20, where age is in years and weight in kg; A has age-weight ratio of 2 : 5. Moreover, none of them is more than 40 kg. What is the average age (in years) of B, C, D, E and G?

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Q.2456·Miscellaneous·2023·Easy

Consider the following for the next (05) items that follow: A, B, C, D, E, F and G are cousins. D is thrice as old as A. Further, C is as many years younger to B, as G to E and E to D. The average age of D and G is 16 years; the average age of A and E is 11 years; the average age of B and C is also 11 years. B and С have equal weight. A's weight is 10 kg less than that of B; D is 4 kg heavier than E; E is 4 kg heavier than F; F is 4 kg heavier than G. Further, D has age-weight ratio of 9 : 20, where age is in years and weight in kg; A has age-weight ratio of 2 : 5. Moreover, none of them is more than 40 kg. What is D's age (in years) ?

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Q.2457·Miscellaneous·2023·Easy

Which is the only country in the world to officially proclaim the Gross National Happiness (GNH) as the measure of the country's progress?

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Q.2458·Miscellaneous·2023·Easy

Consider the following statements about clouds: 1. Two major forms of clouds are stratiform and cumuliform. 2. According to the altitude, clouds are classified as high clouds, middle clouds and low clouds. 3. Stratus, nimbostratus and stratocumulus are types of high clouds. 4. Clouds having nimbo attached to their name produce precipitation. Which of the statements given above are correct?

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Q.2459·Miscellaneous·2023·Easy

Consider the following statements: 1. If n is a natural number, then the number n(n^2+2)/3 is also a natural number. 2.If m is an odd integer, then the number m^4+4 m^2+11/16​ is an integer. Which of the statements given above is/are correct?

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Q.2460·Miscellaneous·2023·Easy

A train completely overtakes two persons, walking in the same direction with speeds 3 km/hr and 4 km/hr in 9 seconds and 75/8 seconds respectively. What is the length of the train ?

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Q.2461·Miscellaneous·2023·Easy

A person bought an article and sold it at a profit of 20%. Had he bought it at 20% less, what would have been the profit percentage if the selling price had been the same ?

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Q.2462·Miscellaneous·2023·Easy

A sphere of radius 5 cm is dropped in a right circular cylindrical vessel partly filled with water. The radius of the cylindrical vessel is10 cm. If the sphere is completely submerged in water, by how much will the level of water rise in the cylindrical vessel ?

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Q.2463·Miscellaneous·2023·Easy

If 2s = a + b + c, then what is s^2 + (s - a)(s - b) + (s - b)(s - c) + (s - c)(s - a) equal to ?

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Q.2464·Miscellaneous·2023·Easy

Three glasses P, Q and R have capacities in the ratio 1: 2: 3. All these glasses are completely filled with mixtures of milk and water. The ratio of milk to water in P is 1: 2,in Q it is 2: 3 and in R it is 3: 1. If the content of all three glasses are put into a bigger container, what will be the ratio of milk to water in the container ?

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Q.2465·Miscellaneous·2023·Easy

What is x^2 - y^2 - z^2 - 2yz/x^2 + y^2 - z^2 + 2yz + x^2 - y^2 - z^2 - 2yz/x^2 - y^2 + z^2 - 2yz equal to ?

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Q.2466·Miscellaneous·2023·Easy

A solid sphere of radius 3 cm is melted to forma hollow cylinder of height 4 cm and external diameter 10 cm. What is the thickness of the cylinder ?

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