30000+ Important MCQs for POLICE SI

11) A man buys a TV priced at Rs. 16000. He pays Rs. 4000 at once and the rest after 15 months on which he is charges a simple interest at the rate of 12% per year. The total amount he pays for TV is = ?

12) If the ratio of principal and the simple interest of 5 years is 10 : 3, then the rate of interest is = ?

13) A sum of Rs. 10 is lent to be returned in 11 monthly instalments of Rs. 1 each, interest being simple. The rate of interest is:

14) A computer is available for Rs. 39000 cash or Rs. 17000 as cash down payment followed by five monthly instalments of Rs. 4800 each. What is the rate of interest under the instalment plan?

15) The simple interest on Rs. 36000 for the period from 5th January to 31st May, 2013 at 9.5% per annum is = ?

16) 'Short-sight' in human eye can be corrected by using proper

17) The amount of matter in a ball of steel is its:

18) Ozone saves the biosphere by absorbing high energy radiations called _____.

19) Nitrogen is an essential constituent of all

20) Ionisation energy of nitrogen is greater than that of oxygen as nitrogen has