21.

The amount to be paid, when principal  = ₹ 2,000/-, Rate of simple interest (R) = 5%, T = 2 years, is

• ₹ 3,200/-
• ₹ 2,400/-
• ₹ 2,200/-
• ₹ 2,200/-

The rate of simple interest per annum at which a sum of money double itself in , is:

• 4%

• 5%

• 6%

• 6%

The sum of money that will yield ₹ 60/- as simple interest at 6% per annum in 5 years is

• ₹ 200/-

• ₹ 225/-

• ₹ 175/-

• ₹ 175/-

If a sum of money double itself in 8 years, then the interest rate in percentage is

• 

• 10%

• 

• 

For what sum will the simple interest at R% for R years will be R?

Alipta got some amount of money from her father. In how many years will the ratio of the money and the interest obtained from it be 10 : 3 at 6% simple interest per annum?

• 7 years

• 3 years

• 5 years

• 4 years

A money lender lends â‚¹ 400/- for 3 years to a person and lends â‚¹ 500/- for 4 years to the other person at the same rate of simple interest. If altogether he receives â‚¹ 160/- as interest, what is the rate of interest per annum?

• 5%

• 7%

• 9%

• 10%

The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is â‚¹ 840/-. Rate of interest for which the same amount of interest can be received on the same sum after 5 years is

• 7%

• 8%

• 9%

• 10%

If the simple interest on Rs 1/- for 1 month is 1 paisa, then the rate percent per annum will be:

• 10%

• 8%

• 12%

• 6%

What annual payment will discharge a debt of ₹ 6450 due in 4 yr at 5% per annum simple interest?

• ₹ 1400

• ₹ 1500

• ₹ 1550

• ₹ 1600