The ratio of the principal and its yearly amount is 8 : 9. What is the rate of simple interest per annum?

• 12%

• 

• 10%

• 10%

2.

Ram deposited a certain sum of money in a compound at 12% per annum simple interest for 4 yr and deposited equal amount in fixed deposit in a bank for 5 yr at 15% per annum simple interest. If the difference in the interest from two sources is ₹ 1350,  then the sum deposited in each case is

• ₹ 4000

• ₹ 5000

• ₹ 6500

• ₹ 6500

The simple interest on ₹2,000/- for 2 years at ₹75 per thousand per annum will be

• ₹150/-

• ₹300/-

• ₹600/-

• ₹600/-

A sum of ₹ 3,000/- yields an interest of ₹ 1,080/- at 12% per annum simple interest in how many years?

• 4 years

• 3 years

• 5 years

• 5 years

A sum of Rs. 4000 is lent out in two parts, one at 8% simple interest and the other at 10% simple interest. If the annual interest is Rs. 352. The sum lent at 8% is

• Rs. 2900

• Rs. 2200

• Rs. 2400

• Rs. 2600

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%.

• Rs. 5500

• Rs. 7200

• Rs. 6500

• Rs. 6500

The principal which gives ₹ 1 interest per day at a rate of 5% simple interest per annum is

• ₹ 5000

• ₹ 7300 

• ₹ 36500

• ₹ 36500

Prakash lends a part of ₹20,000 at 8% simple interest and remaining at  simple interest. His total income after a year was ₹ 800. Find the sum lent at 8%.

• ₹ 8,000

• ₹ 12,000

• ₹ 6,000

• ₹ 6,000

A shopkeeper sold an item at 10% loss after giving a discount equal to half of the marked price. Then the cost of price is

If the simple interest on ₹ x at a rate of  a% for m years is same as that on ₹ y at rate of a²% for m² years, then x : y is

• m : a

• am : 1

• 
•