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This set of Business Mathematics Multiple Choice Questions & Answers (MCQs) focuses on Interest
Q1 | Ram gets Rs. 2600 for Rs. 2000 in 5 years at some rate of simple interest. Had he invested inother places where rate of simple interest is 3% more than current rate, how much would haveRam got in same time?
- rs. 2900
- rs. 3000
- rs. 3100
- rs. 2800
Q2 | Guddi invested some money in a bank at rate of 6% per annum. At simple interest, after 9years, she got Rs. 8470. How much did she invest?
- rs. 5250
- rs. 6550
- rs. 6400
- rs. 5500
Q3 | Aman got a salary of Rs. 8600. The salary was invested by him in two parts. Find thedifference between the two parts of his salary, if in first part he got some simple interest at 15%per annum in 4 years, which was same as the second part which he invested at 20% for 3 years.
- rs. 0
- rs. 2400
- rs. 100
- rs. 4500
Q4 | Aman invests Rs. 8000 at some rate of interest. Being simple interest the money doubles in 5years. Raj sees this and invests Rs. 6250 for 3 years at same rate of interest. How much interestdoes Raj get?
- rs. 3750
- rs. 6250
- rs. 3125
- rs. 4250
Q5 | If simple interest for 2 years for a sum is Rs. 600 and compound interest for the same sum for2 years and same rate of interest is Rs. 645, what will be the rate of interest?
- 10%
- 15%
- 30%
- 5%
Q6 | In 4 years the simple interest on certain sum of money is 9/25 of the principal. The annual rateof interest is
- 4%
- 4(1/2)%
- 9%
- 10%
Q7 | A sum becomes Rs. 3000 at the rate of 12% per annum (simple interest). The same sumbecomes Rs. 3300 at the rate of 15% per annum (simple interest) in the same duration. Find thesum and the duration.
- rs. 2000 and 20 years
- rs. 1900 and 8.25 years
- rs. 1500 and 7 years
- rs. 1800 and 5.5 years
Q8 | An amount becomes 7 times in 15 years. In how many years will the same amount become 10times? The rate of interest remains the same for both cases.
- 20 years
- 18.75 years
- 22.50 years
- 21.50 years
Q9 | In 40 years an amount becomes 6 times the original amount. What is the rate of interest?
- 12.5%
- 24%
- 6.67%
- 34%
Q10 | A TV can be bought for Rs. 20000 cash or by paying in four equal monthly installments withan initial down payment of Rs. 4000. If the rate of interest for this facility is 8% per annum, thenwhat would be the installment charged for each month?
- rs. 4000
- rs. 4106.67
- rs. 4050.33
- rs. 4066.01
Q11 | How much should be the annual installment to completely pay off a debt of Rs. 1078 in 6years at 9% per annum rate of interest?
- rs.146.35
- rs.156.25
- rs.126.55
- rs.118.35
Q12 | Rs. 20400 was divided in two parts and then invested. One part invested at 6.25% for 8 yearsyields the same interest as the other part invested at 7% for 5 years. What is the value of smallerpart?
- 9600
- 8400
- 10100
- 6500
Q13 | 1/5 part of an amount was given at 3% simple interest, 1/3 part was given at 5% simpleinterest, 2/5 parts at 9% simple interest and remaining part at 11% simple interest. The totalinterest received was Rs.297. How much amount was originally given?
- 4500
- 5500
- 3950
- 4200
Q14 | A man got Rs. 130 less, as simple interest, when he invested Rs. 2000 for 4 years ascompared to investing Rs. 2250 for same duration. What is the rate of interest?
- 12%
- 13%
- 12.5%
- 10.50%
Q15 | Find the principal which yields a simple interest of Rs. 20 and compound interest of Rs. 21 intwo years, at the same percent rate per annum?
- rs. 520
- rs. 480
- rs. 420
- rs. 200
Q16 | A sum of Rs. 4000 amounts to Rs. 4600 in 5 years at a certain rate of simple interest. Whatwould be the amount, if the rate of interest is increased by 3 %.
- rs. 4900
- rs. 5000
- rs. 5200
- rs. 5600
Q17 | Akhil borrowed a certain sum of money at the rate of 6%, 9% and 14% for a period of firsttwo years, next three years and beyond the period of five years respectively. If at the end of nineyears, he paid Rs. 8550 as interest, then find the sum of money he had borrowed.
- rs. 9,000
- rs.14,000
- rs.15,000
- rs.18,000
Q18 | r. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9years, he returned Rs. 8110/-. Find out the amount that he borrowed.
- rs. 4,900
- rs. 5,000
- rs. 5,100
- rs. 5266
Q19 | In how many years, Rs. 200 will produce the same interest @ 5 % as Rs. 900 produce in 2years @ 3 ½ %?
- 6.3 years
- 8.2 years
- 9 years
- 12 years
Q20 | certain sum earns simple interest of Rs. 800 in 2 years at a certain rate of interest. If the samesum earns compound interest of Rs. 845 in the same period of 2 years, What must be the rate ofinterest?
- 5% p.a.
- 7.5% p.a.
- 10% p.a.
- 12.5% p.a.
Q21 | Find the simple interest on Rs. 78000 at 15(2/5) % per annum for 9 months.
- rs. 7804
- rs. 8979
- rs. 8046
- rs. 9009
Q22 | Simple interest at x% for x years will come out to be Rs x on a sum of Rs?
- x
- 100/x
- 100/x2
- 100x
Q23 | What is the minimum number of years upon which SI on Rs 2600 at 6.67% interest rate willbe in whole number?
- 2
- 6
- 3
- 4
Q24 | What time will be taken by an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% perannum of simple interest?
- 2 years
- 1 years
- 3 years
- 4 years
Q25 | Operation research approach is
- multi-disciplinary
- artificial
- intuitive
- all of the above