# SET 9 – Quantitative Aptitude Questions and Answers

Quantitative Aptitude Quiz for Every Competitive Exams GS Team published here most important Quantitative Aptitude 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 9 – Quantitative Aptitude “Maths” Questions and Answers (Quiz) for Competitive Exams

Question 1. The difference between simple interest and compound interest compounded annually on a certain amount at 8% per annum for 2 years is Rs. 40. What is the amount?
1. Rs 12500
2. Rs 6250
3. Rs 25000
4. Rs 18750

Question 2. In a rhombus ABCD, the measure of angle CAB is 35 °, what will be the measure of angle ABC?
1. 70 °
2. 40 °
3. 50 °
4. 110 °

Question 3. If cotA / √ (1 + cot2A) = x, then what is the value of x?
1. sinA
2. cosecA
3. secA
4. cosA

Question 4. When a lunch buffet is discounted by 20%, there is a profit of 42%. If the rebate is 15%, what will be the profit?
1. 57 percent
2. 50.875 percent
3. 63.125 percent
4. 44.75 percent

Question 5. What is the value of √ [(1 – cosA) / (1 + cosA)]?
1. cosecA – cotA
2. cosecA + cotA
3. secA – cotA
4. secA + cotA

Question 6. By dividing a number by 38, we get 70 as the quotient and 12 as the remainder. Find that number?
1. 2648
2. 2636
3. 2684
4. 2672

Question 7. By increasing the price of the entrance ticket of a fair in the ratio of 17:19, the number of people coming to the fair is reduced in the ratio of 11:10. In what proportion does the total collection increase or decrease?
1. There is a decrease in the ratio of 190: 187
2. There is an increase in the ratio of 187: 190
3. The ratio is increased to 170: 209
4. There is a decrease in the ratio of 209: 170

Answer: 187: 190 ratio has increased

Question 8. Which of the following is correct?
1. (6x + y) (x – 6y) = 6x 2 + 35xy – 6y 2
2. (6x + y) (x – 6y) = 6x 2 – 35xy – 6y 2
3. (6x + y) (x – 6y) = 6x 2 – 37xy – 6y 2
4. (6x + y) (x – 6y) = 6x 2 + 37xy – 6y 2

Answer: (6x + y) (x - 6y) = 6x 2 - 35xy - 6y 2

Question 9. If a – b = -5 and a2 + b2 = 73, then find ab.
1. 35
2. 14
3. 50
4. 24