Mathematics Questions for CDS & CAPF: 5th 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. One of a group of swans, 7/2 times the square root of the number is playing on the shore of the pond. The two remaining are inside the pond. What is the total number of swans? 
(a) 10
(b) 14
(c) 12
(d) 16

Q2. Students of a class are preparing for a drill and are made to stand in a row. If 4 students are extra in a row, then there would be 2 rows less. But there would be 4 more rows if 4 students are less in a row the number of students in the class is 
(a) 96
(b) 56
(c) 69
(d) 65

Q3. Out of 80 students in a XII class, 25 are studying commerce, 15 Mathematics and 13 Physics. 3 are studying commerce and Mathematics, 4 are studying Mathematics and Physics and 2 are studying Commerce and Physics. 1 student is studying all the three subjects together. How many students are not studying any of the three subjects ? 
(a) 35
(b) 40
(c) 20
(d) 15

Q4. The average monthly salary of employees, consisting of officers and workers of an Health organization is Rs. 3000. The average salary of an officer is Rs. 10000 while that of a worker if Rs. 2000 per month. If there are total 400 employees in the Health organization, find the number of officers and workers respectively. 
(a) 50,350
(b) 350,450
(c) 50,275
(d) 325,350

Q5. The sum of the reciprocals of the ages of two brothers Mahesh Babu and Ravi Teja is five times the difference of the reciprocals of their ages. If the ratio of the product of their ages to the sum of their ages is 14.4 : 1, find their ages. 
(a) 36 and 24 yr
(b) 24 and 20 yr
(c) 18 and 15 yr
(d) 12 and 9 yr

Q7.If APB and CQD are two parallel lines, then the bisectors of ∠APQ, ∠BPQ, ∠CQP and ∠PQD enclose a   
(a) square
(b) rhombus
(c) rectangle
(d) kite


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