Mathematics Questions for AFCAT & CAPF: 7th 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 can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid Rs 7400, then what is the share (in Rs) of B?
(a) 2600
(b) 3000
(c) 2400
(d) 2000

Q7. If the radius of the cylinder is increased by 25%, then by how much percent the height must be reduced, so that the volume of the cylinder remains same?
(a) 36
(b) 56
(c) 64
(d) 46

Q8. The marked price of an article is 20% more than its cost price. If 5% discount is given on the marked price, then what is the profit percentage?
(a) 5
(b) 14
(c) 15
(d) 25

Q9. The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches?
(a) 15
(b) 32
(c) 35
(d) 53.5

SOLUTIONS