Find the time in which ₹ 2,000 will amount to ₹ 2,330 at 11% p.a.

(a)  

In what time will a sum of money double itself at 8% p.a.

(a)  

In how many years will ₹ 870 amount to ₹ 1,044, the rate of interest being 2 ½% p.a.?

(a)  

P and Q invest ₹ 36,000 and ₹ 25,000 respectively at the same rate of interest per year. If at the end of 4 years, P gets ₹ 3,080 more interest than Q, find the rate of interest.

(a)  

A sum of money is lent for 5 years at R% simple interest per annum. If the interest earned be one-fourth of the money lent, find the value of R.

(a)  

In 4 years, ₹ 6,000 amounts to ₹ 8,000. In what time will ₹ 525 amount to ₹ 700 at the same rate?

(a)  

The interest on a sum of money at the end of 2 ½ years is 4/5 of the sum. What is the rate percent?

(a)  

The simple interest earned on a certain sum in 5 years is 30% of the sum. Find the rate of interest.

(a)  

A sum amounts to ₹ 2,652 in 6 years at 5% p.a. simple interest. Find the sum.

(a)