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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.9973·Miscellaneous·2016·Easy

If a sum of money at a certain rate of simple interest per year doubles in 5 years and at a different rate of simple interest per year becomes three times in 12 years, then the difference in the two rates of simple interest per year is

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Q.9974·Miscellaneous·2016·Easy

After a hot sunny day, people sprinkle water on the roof-top because :

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Q.9975·Miscellaneous·2016·Easy

A cyclist moves non-stop from A to B, a distance of 14 km, at a certain average speed. If his average speed reduces by 1 km per hour, he takes 20 minutes more to cover the same distance. The original average speed of the cyclist is

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Q.9976·Miscellaneous·2016·Easy

A man walking at 5 km/hour noticed that a 225m long train coming in the opposite direction crossed him in 9 seconds. The speed of the train is

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Q.9977·Miscellaneous·2016·Easy

Let a two-digit number be k times the sum of its digits. If the number formed by interchanging the digits is m times the sum of the digits, then the value of m is

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Q.9978·Miscellaneous·2016·Easy

If a/b = b/c = c/d, then which of the following is/are correct? 1. (b³ + c³ + d³)/(a³ + b³ + c³) = d/a 2. (a² + b² + c²)/(b² + c² + d²) = a/d Select the correct answer using the code given below:

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Q.9979·Miscellaneous·2016·Easy

If p/x + q = m and q/x + p = n, then what is x/y equal to?

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Q.9980·Miscellaneous·2016·Easy

Which one of the following is considered as 'good cholesterol' with reference to individuals facing the risk of cardio-vascular diseases and hypertension?

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Q.9981·Miscellaneous·2016·Easy

Consider the following statements in respect of two different non-zero integers p and q: 1. For (p + q) to be less than (p – q), q must be negative. 2. For (p + q) to be greater than (p – q), both p and q must be positive. Which of the above statements is/are correct?

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Q.9982·Miscellaneous·2016·Easy

The rate of change of momentum of a body is equal to the resultant :

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Q.9983·Miscellaneous·2016·Easy

Which of the following pairs of vitamin and disease is / are correctly matched? 1.Vitamin A : Rickets 2.Vitamin B₁ : Beriberi 3.Vitamin C : Scurvy Select the correct answer using the code given below :

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Q.9984·Miscellaneous·2016·Easy

The SI unit of mechanical power is :

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Q.9985·Miscellaneous·2016·Easy

In a circle of radius 2 units, a diameter AB intersects a chord of length 2 units perpendicularly at P. If AP > BP, then AP is equal to

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Q.9986·Miscellaneous·2016·Easy

A clock strikes once at 1 o'clock, twice at 2 o'clock and thrice at 3 o'clock, and so on. If it takes 8 seconds to strike at 5 o'clock, the time taken by it to strike at 10 o'clock is

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Q.9987·Miscellaneous·2016·Easy

Dengue virus is known to cause low platelet count in blood of patient by : 1. interfering in the process of platelet production in bone marrow 2.infecting endothelial cells 3.binding with platelets 4.accumulating platelets in intestine Select the correct answer using the code given below :

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Q.9988·Miscellaneous·2016·Easy

Let S be a set of first fourteen natural numbers. The possible number of pairs (a, b), where a, b ∈ S and a ≠ b such that ab leaves remainder 1 when divided by 15, is

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Q.9989·Miscellaneous·2016·Easy

The Germplasm is required for the propagation of plants and animals. Germplasm is the : 1.genetic resources 2.seeds or tissues for breeding 3.egg and sperm repository 4.a germ cell's determining zone Select the correct answer using the code given below :

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Q.9990·Miscellaneous·2016·Easy

In this question, there is a sentence of which some parts have been jumbled up. You are required to rearrange these parts which are labelled P, Q, R and S to produce the correct sentence. Choose the proper sequence and mark in your Answer Sheet accordingly. a person bitten by a rabid dog (P) would be seized by violent symptoms (Q) after an incubation period of a month or two (R) and die an agonizing death (S) The correct sequence should be

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