Question : A sum becomes Rs.15,500 in 7 years on simple interest at the rate of 30 percent per annum. What is the total interest for the 7 years?

Option 1: Rs. 12,200

Option 2: Rs. 1,47,000

Option 3: Rs. 10,500

Option 4: Rs. 11,500

Question : What is the rate of interest per annum for simple interest at which Rs. 880 amounts to Rs. 913 in $1 \frac{1}{2}$ years?

Option 1: $2 \frac{2}{3}$%

Option 2: $2 \frac{1}{4}$%

Option 3: $2 \frac{1}{2}$%

Option 4: $2 \frac{1}{3}$%

Question : In how many years will a sum of Rs. 3000 yield an interest of Rs.1080 at 12% per annum simple interest?

Option 1: $4$ years

Option 2: $3$ years

Option 3: $5$ years

Option 4: $2\frac{1}{2}$ years

Question : A sum of Rs. 400 becomes Rs. 448 at simple interest in 2 years. In how many years will the sum of Rs. 550 amounts to Rs. 682 at the same rate?

Option 1: 2 years

Option 2: 3 years

Option 3: 3.5 years

Option 4: 4 years

Question : If the difference between the compound interest and simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is:

Option 1: Rs. 2000

Option 2: Rs. 4000

Option 3: Rs. 6000

Option 4: Rs. 8000