21000+ Important MCQs for UPSC

1) From a class of 42 boys, a boy aged 10 year goes away and in his place. Iff on account of this change, the average age of the boys in that class increases by 2 month, the age of the newcomer is :

2) A man bought a horse and a carriage for Rs. 40,000. He sold the hours at gain of 10% and the carriage at a loss of 5%. He gained 1% on his whole translation. The cost price of the hours was :

3) An article is sold at a loss of 10%. Had it been sold for Rs. 90 more, there would have been a gain of 5%. The orginal sale price of article (in Rs.)is

4) Price of milk has incresed bby 20%. To keep the expenditure unchanged, the present consumption is to be reduced by 

5) What is to be added to 15% of 160 so that sum may be equal to 25% of 240 ?

6) Two trains start from station A and B and travel towards each other at speeds of 16 miles/hours and 21 miles/hour respectively. At the time of their meeting, the second train has travelled 60 miles more than the first. The distance between A and B (in miles) is :

7) A sum was lent at simple interest at a certain rate for 2 years. Had it been lent at 3% higher rate, it would have fetched Rs.300 more. The original sum of money was :

8) Gautam Buddha attained Nirvana at which place?

9) Some Buddhist rock-cut caves are called Chaityas, while the others are called Viharas. What is the difference between the two?

10) With reference to the history of ancient India, which of the following was/were common to both Buddhism and Jainism?

1. Avoidance of extremities of penance and enjoyment.
2. Indifference to the authority of the Vedas.
3. Denial of the efficiency of rituals.
Select the correct answer using the code given below.