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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.9955·Miscellaneous·2016·Easy

A cloth merchant buys cloth from a weaver and cheats him by using a scale which is 10 cm longer than a normal metre scale. He claims to sell cloth at the cost price to his customers, but while selling uses a scale which is 10 cm shorter than a normal metre scale. What is his gain?  

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Q.9956·Miscellaneous·2016·Easy

In a gathering of 100 people, 70 of them can speak Hindi, 60 can speak English and 30 can speak French. Further, 30 of them can speak both Hindi and English, 20 can speak both Hindi and French. If x is the number of people who can speak both English and French, then which one of the following is correct? (Assume that everyone can speak at least one of the three languages.)

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Q.9957·Miscellaneous·2016·Easy

Consider the following tributaries of river Brahmaputra: 1.Lohit 2.Tista 3.Subansiri 4.Sankosh Arrange the above rivers from west to east:

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Q.9958·Miscellaneous·2016·Easy

A piece of ice, 100 g in mass is kept at 0°C. The amount of heat it requires to melt at 0°C is (take latent heat of melting of ice to be 333.6 J/g):

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Q.9959·Miscellaneous·2016·Easy

A person goes to a market between 4 p.m. and 5 p.m. When he comes back, he finds that the hour hand and the minute hand of the clock have interchanged their positions. For how much time (approximately) was he out of his house?

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Q.9960·Miscellaneous·2016·Easy

There are three brothers. The sums of ages of two of them at a time are 4 years, 6 years and 8 years. The age difference between the eldest and the youngest is

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Q.9961·Miscellaneous·2016·Easy

The value of k , for which the system of equations 3x – ky – 20 = 0 and 6x – 10y + 40 = 0 has no solution, is

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Q.9962·Miscellaneous·2016·Easy

Two systems are said to be in thermal equilibrium if and only if :

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Q.9963·Miscellaneous·2016·Easy

‘German silver’ is used to make decorative articles, coinage metal, ornaments etc. The name is given because :

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Q.9964·Miscellaneous·2016·Easy

Plants contain a variety of sterols like stigmasterol, ergosterol, sitosterol etc., which very closely resemble cholesterol. These plant sterols are referred as :

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Q.9965·Miscellaneous·2016·Easy

With which one of the following countries, India has signed an MoU under the International Cooperation on Brahmaputra and Sutluj rivers?

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Q.9966·Miscellaneous·2016·Easy

Methyl Isocyanate gas, which was involved in the disaster in Bhopal in December 1984, was used in the Union Carbide factory for production of :

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Q.9967·Miscellaneous·2016·Easy

The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used there is the first man-made plastic, which is :

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Q.9968·Miscellaneous·2016·Easy

Which of the following statements regarding Mediterranean and Monsoon climate is / are correct? 1.Precipitation in Mediterranean climate is in winter while in Monsoon climate it is mostly in summer 2.The annual range of temperature in Mediterranean climate is higher than the Monsoon climate 3.Rainy and dry seasons are found in both the climates Select the correct answer using the code given below :

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Q.9969·Miscellaneous·2016·Easy

Consider the following statements regarding laterite soils of India : 1.Laterite soils are generally red in colour 2,Laterite soils are rich in nitrogen and potash 3.Laterite soils are well developed in Rajasthan and UP 4.Tapioca and cashew nuts grow well in this soil Which of the statements given above is / are correct?

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Q.9970·Miscellaneous·2016·Easy

Pir Panjal Range in the Himalayas is a part of :

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Q.9971·Miscellaneous·2016·Easy

The annual incomes of two persons are in the ratio 9 : 7 and their expenses are in the ratio 4 : 3. If each of them saves ₹2,000 per year, what is the difference in their annual incomes?

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Q.9972·Miscellaneous·2016·Easy

Consider the following map of India: The areas marked in the map given above account for the production of which one of the following cash crops?

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