The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

In which year maximum vacancies produced?

A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself in

A is twice fast as B and B is thrice as fast as C. The journey covered by C in 78 minutes then time taken by A to cover the same journey is-

On a certain sum of money, the simple interest for 2 years is ₹150 at the rate of 10% per annum. What is the difference between the compound interest and the simple interest for 2 years if, in the case of compound interest, interest is compounded annually at the rate of 10% per annum.

A smaller circle touches a bigger circle internally and also passes through the center 'O' of the bigger circle. If the area of the smaller circle is 192 $${cm^2}$$, the area of the bigger circle (in $${cm^2}$$) is:

At what rate per annum will Rs. 32000 yield a compound interest of Rs. 5044 in 9 months interest being compounded quarterly?

The ratio of present ages of Shankar and Mohan is 7: 8 respectively. Four year hence this ratio becomes 9: 10 respectively. What is Shankar’s present age in years?

The marked price of a T.V. is ₹16,000. After two successive discounts it is sold for ₹11,400. If the first discount is 5%, then the rate of second discount is