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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.5563·Miscellaneous·2020·Easy

The angles of elevation of the top of a tower from two points at distances p and q from the base and on the same straight line are 27° and 63° respectively. What is the height of the tower?

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Q.5564·Miscellaneous·2020·Easy

On a plane area there are two vertical towers separated by 100 feet apart. The shorter tower is 40 feet tall. A pole of length 6 feet stands on the line joining the base of two towers so that the tip of the towers and tip of the pole are also on the same line. If the distance of the pole from the shorter tower is 75 feet, then what is the height of the taller tower (approximately)?

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Q.5565·Miscellaneous·2020·Easy

A tree of height 15 m is broken by wind in such a way that its top touches the ground and makes an angle 30° with the ground. What is the height from the ground to the point where tree is broken?

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Q.5566·Miscellaneous·2020·Easy

Let PQRS be the diameter of a circle of radius 9 cm. The length PQ, QR and RS are equal. Semi-circle is drawn with QS as diameter (as shown in the given figure). What is the ratio of the shaded region to that of the unshaded region?

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Q.5567·Miscellaneous·2020·Easy

Which one of the following alternatives has the correct spelling?

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Q.5568·Miscellaneous·2020·Easy

Out of 4 identical balls of radius r, 3 balls are placed on a plane such that each ball touches the other two balls. The 4th ball is placed on them such that this ball touches all the three balls. What is the distance of centre of 4th ball from the plane?

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Q.5569·Miscellaneous·2020·Easy

What is the area of the largest square plate cut from a circular disk of radius one unit?

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Q.5570·Miscellaneous·2020·Easy

Ravi was declared as the winner in the tie because he had hit the most number of fours and sixes.

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Q.5571·Miscellaneous·2020·Easy

Which is the correct combination of the given two sentences? The teacher entered the classroom. All students stopped talking.

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Q.5572·Miscellaneous·2020·Easy

If an arc of a circle of radius 6 cm subtends a central angle measuring 30°, then which one of the following is an approximate length of the arc?

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Q.5573·Miscellaneous·2020·Easy

Which one of the following is the correct statement of the combination of the two sentences given below using ‘whereas’? Kavya is interested in reading books. Her sister shows interest in outdoor games.

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Q.5574·Miscellaneous·2020·Easy

Rahul said to his teacher, “Madam, what is the way to solve the question?”

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Q.5575·Miscellaneous·2020·Easy

He said to his friend, “Could you please close the door?”

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Q.5576·Miscellaneous·2020·Easy

Raj said to Sheela, “The Sun rises in the east.”

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Q.5577·Miscellaneous·2020·Easy

Navanitha said to her friends, “What a scintillating beauty it is!”

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Q.5578·Miscellaneous·2020·Easy

The Captain said to the soldiers, “March forward and aim at the peak of the hill today.”

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Q.5579·Miscellaneous·2020·Easy

“Where were you last evening?” said the lady to her maid.

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Q.5580·Miscellaneous·2020·Easy

“Those who sowed the seeds last season will reap the harvest this season,” said the leader to her followers.

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