Mathematics Questions for CDS & AFCAT: 3rd February

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.

Q6. A person starts going for evening walk every day. The distance walked by him on the first day was 4 km. Everyday he walks half of the distance walked on the previous day. What can be the maximum total distance walked by him in his life time?
(a) 36 km
(b) 240 km
(c) 8 km

Q7. Mr. Sanjay Sharma, a businessman had some income in the year 2000, such that he earned a profit of 20% on his investment in the business. In the year 2001, his investment was less by Rs. 5 lakh but still had the same income (Income = Investment + Profit) as that in year 2000. Thus the profit percent earned in year 2001 increased by 6%. What was his investment in year 2000?
(a) Rs. 10200000
(b) Rs. 10500000
(c) Rs. 15050000

Q8. The ratio of males and females in a village is 7 : 8 respectively and the percentage of children among males and females is 25% and 20% respectively. If the number of adult females in the village is 235200, what is the total population of village?
(a) 367500
(b) 551250
(c) 594000
(d) 376500

Q9. A man gives 20% of his money to his eldest son, 30% of the remaining he gives to his youngest son, 10% of the remaining he gives to a school for poor boys. Still he has Rs. 100.80. Find his total sum.
(a) Rs. 250
(b) Rs. 300
(c) Rs. 200
(d) Rs. 500

Q10. A, B and C enter into partnership by making investments in the ratio 3 : 5 : 7. After a year C invests another Rs. 337600 while A withdrew Rs. 45600. The ratio of investments, then changes to 24 : 59 : 167. How much did A invest initially?
(a) Rs. 141600
(b) Rs. 135000
(c) Rs. 96000
(d) Rs. 45600

SOLUTIONS