Aptitude - Simple Interest

Tom invested an amount of INR 13,900 divided into two schemes S1 and S2 at simple interest of 14% p.a. and 15% p.a. respectively.

If the total interest earned after 2 years is INR 3,508 then, find the amount invested in scheme S2.

Vijay invested Rs. 100,000 in two types of shares. The first investment yields an interest of 9% p.a. and the second 11% p.a.

If the total interest at the end of 1 year is 39/4% then the amount invested in each share was?

If the annual rate of interest declined from 8% to 31/4% and the income diminished by Rs. 61.50 then what was the capital?

The difference between the simple interest earned from two different sources on $1500 for 3 years is $13.50. What is the difference between their rate of interest?

Alice lent $5000 to Bob and $3000 to Eve for 4 years on simple interest at the same rate. She received $2200 after 4 years in all from both of them as interest. What is the rate of interest per annum?

If a sum of money becomes 7/6 of itself in 3 years at R% p.a. simple interest. Find the rate of interest.

In how many years would the simple interest on certain sum be 0.125 times the principal at 10% p.a.?

At what rate of interest will a sum of money double itself in 12 years?

If a sum of money amounts to INR 9800 and INR 12005 after 5 and 8 years respectively at the same rate of simple interest then, find the interest rate per annum.

If a sum of money at simple interest amounts to $815 and $854 in 3 and 4 years respectively then what was the amount that was invested?

Monty borrowed X amount of money from the bank at 6% p.a. for the first 3 years, 9% p.a. for the next 5 years and 13% p.a. for beyond 8 years. If we paid total INR 8160 as interest at the end of 11 years then what was the amount he borrowed?

In how many years Rs. 150 will produce the same interest at 8% p.a. as Rs. 800 produce in 3 years at 4.5% p.a.?

If Rs. 800 becomes Rs. 956 in 3 years at R% p.a. simple interest. So, if the rate is increated by 4% then what will Rs. 800 become in 3 years?

If Rs. 12,500 amount to Rs. 15,500 in 4 years at R% p.a. simple interest then what is the value of R?

At what rate p.a. simple interest will a sum of money double itself in 16 years?

Find simple interest if Rs. 100 is invested at 10% p.a. for 3 months.