For the following questions answer them individually
A sum of Rs16800 is divided into two parts. One part is lent at the simple interest of 6% per annum and the other at 8% per annum. After 2 years total sum received is Rs19000. The sum lent at 6% of simple interest is
The compound interest earned by Suresh on a certain amount at the end of two years at the rate of 8 p.c.p.a was Rs. 1,414.4. What was the total amount that Suresh got back at the end of two years in the form of principal plus interest earned?
A certain sum of money gets doubled in 5 years at X% simple interest. If the interest was Y%, the sum of money would have become ten times in 30 years. What is Y-X?
Find the rate of interest if the principal doubles itself after 4 years at simple interest.
A TV set when sold for Rs 16,756 the profit earned is 18%. What is the cost price of the TV set ?