SI and CI Maths Quiz for Every Competitive Exams GS Team published here most important SI and CI Maths Questions and Answers in english for Every competitive exams like SBI, RRB, Railway, Police, Clerk, Bank IBPS and more. These questions and answers will be helpful for crack all competitive exams.
SET 2 – Simple Interest and Compound Interest Aptitute Questions and Answers (Quiz) for Competitive Exams
Q1. The difference between compound interest and simple interest at Rs x for 2 years at the rate of 15% per annum is Rs 9. What will be the value of x?
1. 600
2. 500
3. 450
4. 400
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 400[/su_spoiler]
Q2. A gradual discount of 20%, 10% and 15% is equivalent to which single discount?
1. 43%
2. 44%
3. 38%
4. 42.20%
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 38%[/su_spoiler]
Q3. The cost of a Vastu is Rs 40,000. A retailer offers 10% discount on the first 62.5% price. He gives a discount of 4% on the remaining price. So what will be the overall discount percentage given on Vastu?
1. 8.5
2. 7.75
3. 8.25
4. 8
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 8.25[/su_spoiler]
Q4. If 50% of a number is added to 75, the result is the same number. What will that number be?
1. 100
2. 400
3. 250
4. 150
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 150[/su_spoiler]
Q5. If the price of sugar is increased by 17% and a person wants to increase his expenditure by only 5%, then he will have to decrease the consumption by what percentage?
1. 10.9
2. 10.7
3. 10.3
4. 9.9
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 10.3[/su_spoiler]
Q6. If an amount triples in four years at compound interest, then in how many years will that amount become 27 times at the same interest rate?
1. 15 years
2. 12 years
3. 10 years
4. 16 years
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 12 years[/su_spoiler]
Q7. An item is sold for 288 rupees after a gradual discount of 25% and x%. If the face value of that item is Rs. 480, what will be the value of x?
1. 16
2. 18
3. 15
4. 20
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 20[/su_spoiler]
Q8. What will be the difference between a single discount of 30% and a single discount equal to two successive discounts of 25% and 5% for a purchase of Rs. 2,000?
1. No difference
2. 25 rupees
3. 15 rupees
4. 20 rupees
[su_spoiler title = “Show Answer” style = “fancy”]Answer: Rs 25[/su_spoiler]
Q9. If 85% of a number is added to 75, the result is the same number. What will that number be?
1. 200
2. 100
3. 300
4. 500
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 500[/su_spoiler]
Q10. If a sum is compounded by compound interest to Rs 2,190 in 4 years and Rs 2,409 in 5 years, while the interest is compounded annually, what will be the annual interest rate?
1. 8%
2. 10%
3. 11%
4. 9%
[su_spoiler title = “Show Answer” style = “fancy”]Answer: 10%[/su_spoiler]
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