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### Mathematical Skills | Simple Interest and Compound Interest

 Q. No. 7: Ravi gave Rs 1200 on loan. Some amount he gave at 4% per annum simple interest and remaining at 5% per annum simple interest. After two years, he got Rs 100 as interest. Then the amount given at 4% and 5% per annum simple interest are, respectively A : Rs 500, Rs 700 B : Rs 400, Rs 800 C : Rs 900, Rs 300 D : Rs 1100, Rs 100 Solution
 Q. No. 8: The difference between compound interest and the simple interest on a certain amount of money at 5% per annum for 2 year is Rs 15. ind the sum. A : Rs 7500 B : Rs 6000 C : Rs 5000 D : Rs 4500 Solution
 Q. No. 9: Sumit lent some money to Mohit at 5% per annum simple interest. Mohit lent the entire amount to Birju on the same day at 17/2 % per annum. In this transaction, after a year Mohit earned a profit of Rs 350. Find the sum of money lent by Sumit to Mohit A : Rs 10,000 B : Rs 9,000 C : Rs 10,200 D : Rs 9,400 Solution
 Q. No. 10: A sum of money invested at compound interest amounts in 3 year to Rs 2400 and in 4 year to Rs 2520. The interest rate per annum is A : 6% B : 5% C : 4% D : 4.5% Solution
 Q. No. 11: Two equal sums of money are lent at the same time at 8% and 7% per annum simple interest. The former is recovered 6 months earlier than the later and the amount in each case is Rs 2,560. The sum and the time for which the sums of money are lent out are A : Rs 1500, 3.5 year and 4 year B : Rs 2000, 4 year and 5.5 year C : Rs 3,000, 4 year and 4.5 year D : Rs 2000, 3.5 year and 4 year Solution
 Q. No. 12: Divide Rs 1586 in three parts in such a way that their amounts at the end of 2,3 and 4 years respectively, at 5% per annum simple interest be equal A : Rs 560, Rs 520, Rs 506 B : Rs 556, Rs 524, Rs 506 C : Rs 552, Rs 528, Rs 506 D : Rs 548, Rs 528, Rs 510 Solution
 Simple Interest and Compound Interest Easy Moderate Difficult