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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.5275·Miscellaneous·2020·Easy

The harmonic mean and the geometric mean of two numbers are 10 and 12 respectively. What is their arithmetic mean?

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Q.5276·Miscellaneous·2020·Easy

In this question there is a sentence with an underlined word(s) followed by four words/group of words. Select the option that is nearest in meaning to the underlined word and mark your response on the Answer Sheet accordingly. The statutory corporate tax which forms the major income of the government has not changed this year.

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Q.5277·Miscellaneous·2020·Easy

The largest barrier reef system in the world is found at

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Q.5278·Miscellaneous·2020·Easy

Buenos Aires and Montevideo are situated across the banks of

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Q.5279·Miscellaneous·2020·Easy

Which one among the following Union Territories of India is the smallest in geographical area ?

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Q.5280·Miscellaneous·2020·Easy

Which one of the following alternatives has the correct spelling?

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Q.5281·Miscellaneous·2020·Easy

Climax mine, the largest producer of molybdenum, is located in

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Q.5282·Miscellaneous·2020·Easy

In this question there is six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly. S1 : The ecosystem of water is complex and many environmental factors are intricately linked. S6 : The trees slowly transfer rainwater into the sub-soil and this is critical for sustaining water for months after the rains. P : Thick forests make for excellent catchments. Q : The problems we see are because we have undermined these links over decades. R : First, rain and snowfall are the only sources of water – about 99%. S : In the four months of monsoon, there are about 30–35 downpours and the challenge is to hold this water in systems that can last us over 365 days.

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Q.5283·Miscellaneous·2020·Easy

Sea of Azov is connected to

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Q.5284·Miscellaneous·2020·Easy

Which one of the following statements with regard to ozone is not correct ?

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Q.5285·Miscellaneous·2020·Easy

In this question there is a sentence with an underlined word(s) followed by four words/group of words. Select the option that is nearest in meaning to the underlined word and mark your response on the Answer Sheet accordingly. People avoided him for his high mindedness .

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Q.5286·Miscellaneous·2020·Easy

If the yield (in gm) of barley from 7 plots of size one square yard each, were found to be 180, 191, 175, 111, 154, 141 and 176, then what is the median yield?

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Q.5287·Miscellaneous·2020·Easy

In this question there is a sentence with an underlined word(s) followed by four words/group of words. Select the option that is nearest in meaning to the underlined word and mark your response on the Answer Sheet accordingly. There is a tendency to treat social changes as mere development in terms of accumulation of wealth.

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Q.5288·Miscellaneous·2020·Easy

Which one of the following measures of central tendency will be used to determine the average size of the shoe sold in the shop?

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Q.5289·Miscellaneous·2020·Easy

Fifteen candidates appeared in an examination. The marks of the candidates who passed in the examination are 9, 6, 7, 8, 8, 9, 6, 5, 4 and 7. What is the median of marks of all the fifteen candidates?

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Q.5290·Miscellaneous·2020·Easy

In this question there is a sentence with an underlined word(s) followed by four words/group of words. Select the option that is nearest in meaning to the underlined word and mark your response on the Answer Sheet accordingly. He tried to avoid saying something that would implicate him further.

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Q.5291·Miscellaneous·2020·Easy

When the class intervals have equal width, the height of a rectangle in a histogram represents

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Q.5292·Miscellaneous·2020·Easy

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 kg and that of girls is 40 kg. The number of boys exceeds the number of girls by

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