Question : In how many years will a sum of Rs. 800 at 10% per annum compounded semi-annually become Rs. 926.10?

Option 1: $2\frac{1}{2}$ years

Option 2: $3$ years

Option 3:  $2$ years

Option 4: $1\frac{1}{2}$ years

Question : A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is:

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

Option 2: $4$%

Option 3: $5$%

Option 4: $6\frac{2}{3}$%

Question : In 3 years, Rs. 3000 amounts to Rs. 3993 at $x$% compound interest compounded annually. The value of $x$ is ___.

Option 1: $10$

Option 2: $8$

Option 3: $5$

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

Question : A sum of money invested at 20% compound interest (compounded annually). It would fetch Rs. 723 more in 2 years if interest is compounded half-yearly. The sum is:

Option 1: Rs. 15,000

Option 2: Rs. 30,000

Option 3: Rs. 20,000

Option 4: Rs. 7,500

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