Mathematics Questions for CDS & AFCAT: 24th December

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. A batsman has a certain average run in 16 innings. In the 17th innings he made 85 runs thereby his average is increased by 3. What is his average after 17th innings ? 
(a) 34
(b) 35
(c) 36
(d) 37

Q2. A sum of money amounts to Rs. 944 in 3 years at a simple interest. If the rate of interest be raised by 25%, the sum amounts to Rs. 980 during the same period. Find the sum and the rate of interest. 
(a) Rs. 800,6%
(b) Rs. 144,6%
(c) Rs. 800,5%
(d) Rs. 144,5%

Q3. A sum of money put out at compound interest amounts in one year to Rs. 4050 and in three years to Rs. 4723.92. Find the original sum. 
(a) Rs. 3928
(b) Rs. 3576
(c) Rs. 3750
(d) Rs. 3567

Q4. Arun can do a work in 20 days. He worked alone for 10 days. Remaining work was completed with the help of Sameer in 2 days. In how many days will the work be completed if both work together? 
(a) 2 days
(b) 4 days 
(c) 1.5 days
(d) 3 days

Q5. There is 99% water in fresh cherry of 1 kg. If it is kept under sun, some water is vaporized and there still remains 98% water. The new weight of the cherry is ? 
(a) 990gm
(b) 980gm
(c) 490gm
(d) 500gm 

Q9. If 2x + y = 6 and x = 2 are two linear equations, then graph of two equations meet at a point:- 
(a) (2, 0)
(b) (0, 2)
(c) (2, 2)
(d) (1, 2)

Q10. At the centres of two circles, two arcs of equal length subtend angles of 60° and 75° respectively. The respective ratio of the radii of the two circles is 
(a) 5 : 2
(b) 5 : 4
(c) 3 : 2
(d) 2 : 1


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