Mathematics Quiz for AFCAT and INET: 22 Dec 2019

## Mathematics Quiz for AFCAT and INET: 22 Dec 2019

Jai Hind Aspirants, Defence Adda is providing you all with this quiz on Mathematics questions for CDS, AFCAT, CAPF and other Defence Examinations. The ques tions asked in Mathematics Section of most of the defence examinations are based on the topics from Mathematics of Class 11th and 12th. The questions asked in this section are complex and comparatively difficult but once attempted with high accuracy, can fetch you full marks in this section. Also, practice on a daily basis helps one dive into the core concepts of a subject and thus, help her perform to the best of her ability in the real examinations. So, attempt the daily quizzes being provided by Defence Adda and score to the maximum in the Mathematics Section of all sorts of defence examination

Q1.If Rs 25,000 is to be divided between A, B and C in the ratio 1/10 : 1/6 : 1/15, then how much will C get (in Rs)?
(a)5000
(b)7500
(c)10000
(d)12500

Q2.Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5 : 4. After he lost 5 red marbles the ratio became 10 : 9. How many marbles does he have now?
(a) 81
(b) 86
(c) 76
(d) 91

Q3. A, B and C invest to start a restaurant. The total investment was Rs 3 lakhs. B invested Rs 50,000 more than A and C invested Rs 25,000 less than B. If the profit at the end of the year was Rs 14,400 then what is C's share of the profit (in Rs)?
(a) 3600
(b) 4800
(c) 6000
(d) 7200

Q4. Two businessmen A and B invest in a business in the ratio 5 : 8. They decided to reinvest 30% of the profit they earned back into the business. The remaining profit they distributed amongst themselves. If A's share of the profit was Rs 87,500 then how much profit (in Rs) did the business make?
(a) 227000
(b) 250000
(c) 375000
(d) 325000

Q5. If 3A = 6B = 9C; What is A : B : C
(a) 6 : 3 : 1
(b) 6 : 3 : 2
(c) 9 : 3 : 6
(d) 9 : 3 : 1

Q6. How many job applicants had applied if the ratio of selected to unselected was 19:17. If 1,200 less had applied and 800 less selected, then the ratio of selected to unselected would have been 1:1.
(a) 6000
(b) 7200
(c) 8400
(d) 4800

Q7. What is the third proportional to 10 and 20?
(a) 30
(b) 25
(c) 50
(d) 40

Q8. A and B start a business by investing equal amounts. Four months later, C joins them by investing Rs 3.5 lakhs. By withdrawing his investment in the business B leaves the business 4 months after C joined. At the end of the year the business makes Rs 62,400 profit out of which A collects Rs 24,000 as his share of profit. How much should be paid to C (in Rs) as his share of profit?
(a) 16000
(b) 32000
(c) 22400
(d) 27800

Q9.A and B invest in a business in the ratio 3 : 7. The business makes a profit of Rs 60,000 in 1 year. They decide to distribute the profit remaining after reinvesting 40% of the profit. How much will A get (in Rs)?
(a) 25200
(b) 15600
(c) 10800
(d) 20400

Q10. Find two numbers such that their mean proportional is 18 and the third proportional to them is 144.
(a) 6 and 42
(b) 9 and 36
(c) 3 and 18
(d) 6 and 12

Solution: