Mathematics Questions for CDS & CAPF: 25th November

Dear Students, Defence Adda is providing you all with this quiz on Mathematics questions for CDS, AFCAT, CAPF and other Defence Examinations. The questions 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 examinations.

Q1. Three girls Deepshikha, Twinkle and Kavita are playing a game by standing on the circumference of a circle of radius 5m drawn in a park. Deepshikha throws a ball to Twinkle, Twinkle to Kavita. If the distance between Deepshikha and Twinkle and between Twinkle and Kavita is 6 m each. What is the distance between Deepshikha and Kavita? Q51
(a) 9.6 m
(b) 6.8 m
(c) 12.8 m
(d) 8 m

Q4. Michelle got married 9 years ago. Today her age is 1 1/3 times her age at the time of marriage. At present her daughter’s age is one-sixth of her age. What was her daughter’s age two years ago?
(a) 6 years
(b) 7 years
(c) Cannot be determined
(d) None of these

Q5. Arun invests 8% of his monthly salary, i.e. Rs. 2,880 in insurance policies. Later he invests 17% of his monthly salary in family mediclaim policies; also he invests another 3% of his salary on national saving certificates. What is the total annual amount invested by Arun ?
(a)  Rs. 1,00,800
(b) Rs. 1,20,960
(c) Rs. 12,060
(d) Cannot be determined

Q7. A and B enter into a partnership by making investments in the ratio 1 : 2 and 5% of the total profit goes to charity. If B’s share is Rs. 760, total profit is :
(a) Rs. 1200
(b) Rs. 1800
(c) Rs. 2400
(d) Rs. 1560

Q9. A house worth Rs. 150000 is sold by X at 5% profit to Y. Y sells the house back to X at 2% loss. Then in the entire transaction :
(a) X gains Rs. 4350
(b) X loses Rs. 4350
(c) X gains Rs. 3150
(d) X loses Rs. 3150

SOLUTIONS