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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.5581·Miscellaneous·2020·Easy

Which one of the following acids is produced in human stomach ?

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Q.5582·Miscellaneous·2020·Easy

ABCD is a plate in the shape of a parallelogram. EF is the line parallel to DA and passing through the point of intersection O of the diagonals AC and BD. Further, E lies on DC and F lies on AB. The triangular portion DOE is cut out from the plate ABCD. What is the ratio of area of remaining portion of the plate to the whole?

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Q.5583·Miscellaneous·2020·Easy

Match List-I with List-II and select the correct answer: using the code given below the Lists : List-I (Compound) List-II(Use) A. Boric acid 1. Antiseptic B. Citric acid 2. Food preservative C. Magnesium 3. Antacid hydroxide D. Acetic acid 4. Pickle

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Q.5584·Miscellaneous·2020·Easy

Two circles of radii 20 cm and 16 cm intersect and the length of common chord is 24 cm. If d is the distance between their centres, then which one of the following is correct?

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Q.5585·Miscellaneous·2020·Easy

In a circle of radius 5 cm, AB and AC are two chords such that AB = AC = 8 cm. What is the length of chord BC?

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Q.5586·Miscellaneous·2020·Easy

What we lack in the current times is compassion .

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Q.5587·Miscellaneous·2020·Easy

There is a need to promote philanthropy in education.

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Q.5588·Miscellaneous·2020·Easy

Everyone has to fight the inertia in the system.

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Q.5589·Miscellaneous·2020·Easy

He speaks eloquently and can pull crowds.

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Q.5590·Miscellaneous·2020·Easy

Early medieval period was not a combination of urban and rural civilization. It was not a period of urban decay as claimed by some.

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Q.5591·Miscellaneous·2020·Easy

Which one of the following is the correct sequence of events during sexual reproduction in plants ?

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Q.5592·Miscellaneous·2020·Easy

Which one of the following animals has a three-chambered heart? ?

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Q.5593·Miscellaneous·2020·Easy

One feels elated when someone praises one’s work.

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Q.5594·Miscellaneous·2020·Easy

What is (sec x - tan x)/(sec x + tan x) equal to?

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Q.5595·Miscellaneous·2020·Easy

What is the maximum number of circum-circles that a triangle can have?

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Q.5596·Miscellaneous·2020·Easy

The building is very ancient.

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Q.5597·Miscellaneous·2020·Easy

He has offered her another chance.

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Q.5598·Miscellaneous·2020·Easy

In a water tank there are two outlets. It takes 20 minutes to empty the tank if both the outlets are opened. If the first outlet is opened, the tank is emptied in 30 minutes. What is the time taken to empty the tank by second outlet ?

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