Question : A and B borrowed Rs. 3000 and Rs. 3200 respectively at the same rate of interest for $2\frac{1}{2}$ years. If B paid Rs. 40 more interest than A. Find the rate of interest.

Option 1: 5%

Option 2: 7%

Option 3: 8%

Option 4: 6%

Question : The simple interest on a sum of money for 3 years is Rs. 240 and the compound interest on the same sum at the same rate for 2 years is Rs. 170. The rate of interest is:

Option 1: $8$%

Option 2: $29\frac{1}{6}$%

Option 3: $12\frac{1}{2}$%

Option 4: $5\frac{5}{17}$%

Question : On a certain sum, the Simple Interest at the end of $6\frac{1}{4}$ years becomes $\frac{3}{8}$th of the sum. The Rate of interest is:

Option 1: 5%

Option 2: 6%

Option 3: 7%

Option 4: 8%

Question : Satish bought 35 notebooks for Rs. 700 and sold 28 of them for Rs. 600. Find his gain percentage.

Option 1: $7 \frac{1}{7} \%$

Option 2: $9 \frac{1}{7} \%$

Option 3: $6 \frac{1}{7} \%$

Option 4: $8 \frac{1}{7} \%$

Question : Ramesh borrowed INR 15,000 at a certain rate of simple interest from a bank. He repaid (the principal but not interest) INR 6,000 after 5 years, and after 5 more years he paid  INR 18,600 and settled his account. Find the rate of simple interest per annum.

Option 1: 12%

Option 2: 10%

Option 3: 8%

Option 4: 6%

Question : On a certain sum of money, the simple interest for 2 years is Rs. 350 at the rate of 4% per annum. It was invested at compound interest at the same rate for the same duration as before, how much more interest would be earned?

Option 1: Rs. 3.50

Option 2: Rs. 7

Option 3: Rs. 14

Option 4: Rs. 35