Mathematics Questions for NDA, CDS & CAPF: Quiz-5

Dear Students, Defence Adda is providing you all with this quiz on Mathematics questions for NDA, CDS, AFCAT, CAPF and other Police 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 Mathematics Section of all sorts of defence examinations.

Q8. All the letters of the word ‘EAMCET’ are arranged in possible ways. The number of such arrangements in which no two vowels are adjacent to each other is
(a) 360
(b) 144
(c) 72
(d) 54

Q13. A person standing on the bank of a river observes that the angle subtended by a tree on the opposite of bank is 60°. When he retires 40 m from the bank, he finds the angle to be 30°. What is the breadth of the river?
(a) 60 m
(b) 40 m
(c) 30 m
(d) 20 m

SOLUTIONS

S9. Ans.(b)