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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.2971·Miscellaneous·2022·Easy

Five coins are tossed once. What is the probability of getting at most four tails?

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Q.2972·Miscellaneous·2022·Easy

Three fair dice are thrown. What is the probability of getting a total greater than or equal to 15?

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Q.2973·Miscellaneous·2022·Easy

Consider the following statements about ‘Ude Desh ka Aam Nagrik (UDAN)’ scheme : It is an innovative scheme to develop the regional aviation market. It creates affordability yet economically viable and profitable flight on regional routes. Which of the statements given above is/are correct?

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Q.2974·Miscellaneous·2022·Easy

The probability that a person hits a target is 0.5. What is the probability of at least one hit in 4 shots?

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Q.2975·Miscellaneous·2022·Easy

Consider the following statements : 1.The Sharavati river creates Jog Falls. 2.The Brahmani river is formed by the confluence of the Kosi and Sankh rivers. 3. The Tamraparni is a river of Tirunelveli district of Tamil Nadu. How many of the above statements is/are correct?

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Q.2976·Miscellaneous·2022·Easy

A box contains 2 white balls, 3 black balls and 4 red balls. What is the number of ways of drawing 3 balls from the box with at least one black ball?

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Q.2977·Miscellaneous·2022·Easy

SONAR is a device that is used to measure the distance of underwater objects by a ship. Which of the following types of waves does it use for this purpose?

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Q.2978·Miscellaneous·2022·Easy

During war one ship out of 5 was sunk on an average in making a certain voyage. What is the probability that exactly 3 out of 5 ships would arrive safely?

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Q.2979·Miscellaneous·2022·Easy

Which one of the following statements about the speed of sound waves is not correct?

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Q.2980·Miscellaneous·2022·Easy

The part of the human ear that converts the pressure variations associated with audible sound waves to electrical signals is

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Q.2981·Miscellaneous·2022·Easy

A card is drawn from a pack of 52 cards. A gambler bets that it is either a spade or an ace. The odds against his winning are:

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Q.2982·Miscellaneous·2022·Easy

Two numbers x and y are chosen at random from a set of first 10 natural numbers. What is the probability that (x + y) is divisible by 4?

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Q.2983·Miscellaneous·2022·Easy

Which one of the following statements about animal cells and plant cells is correct?

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Q.2984·Miscellaneous·2022·Easy

Lymph is a tissue fluid present in intercellular spaces. It resembles to

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Q.2985·Miscellaneous·2022·Easy

The breakdown of glucose in cytoplasm results in the formation of

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Q.2986·Miscellaneous·2022·Easy

Rafael Nadal defeated whom among the following to win the French Open Tennis Tournament, 2022?

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Q.2987·Miscellaneous·2022·Easy

eSanjeevani, the free telemedicine service of the Government of India, was recently integrated with the

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Q.2988·Miscellaneous·2022·Easy

Which of the following statements about 'SHRESHTA' scheme, launched recently by the Government of India, is/are correct? 1. This scheme is for residential education for students in high school in targeted areas. 2. It provides for high quality education for meritorious but poor Scheduled Caste students. Select the correct answer using the code given below

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