If the annual rate of simple interest increases from 8% to 13%, a man’s yearly income increases by Rs. 4800. His principal (in Rs.) is:   

Ganesh, Shankar and Sameer invested Rs. 4200, Rs. 8400 and 5400 respectively while starting a business. At the end of the year, they earned a profit of Rs. 24,000. Sameer invested 32% of. his share of the profit in a saving scheme. How much amount he is left with?

Salary of a person is first increased by 20 %, then it is decreased by 20 %. Then the percentage change in his salary is: 

How many natural numbers less than 1000 are divisible by 5 or 7 but not by 35?

Direction: Percentage of different types of employees in a company in two consecutive years.

The number of A type employees in 1998 was approximately what percent of the number of A type employees in 1997? 

If the amount is $$ 3{3\over8}\%  $$ times the sum after 3 years at compound interest compounded annually, then the rate of interest per annum is 

Ramesh deposited ₹ 15600 in a fixed deposit at the rate of 10 % per annum simple interest. After every second year, he adds his interest earnings to the principal. The interest at the end of fourth year is 

A man left 9 minutes early than the scheduled time and in order to reach the destination 378 km away in time, it has to slow its speed by 6 km/h from the usual. What is the usual speed (in km/hr.) of the man?