Mathematics Questions for CDS & CAPF: 9th 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. A garrison is provided with ration for 72 soldiers to last 54 days. Find how long would the same amount of food last for 90 soldiers, if the individual ratio is reduced by 10%?
(a) 48 days
(b) 72 days
(c) 54 days
(d) 126 days

Q2. In an examination paper of five questions, 5% of the candidates answered all of them and 5% answered none. Of the rest, 25% candidates answered only one question and 20% answered 4 questions. If 396 candidates answered either 2 questions or 3 questions, the number of candidates that appeared for the examination was
(a) 800
(b) 1000
(c) 850
(d) 900

Q5. A mathematics teacher calculated the total marks obtained by 35 students of 8th class. The average marks of the students was 72. But 36 marks for Reena was calculated in place 86 obtained by her. What was the correct average of all the students?
(a) 73.14
(b) 74.31
(c) 72.43
(d) 73.42

Q6. The retail price of a water geyser is Rs. 1265. If the manufacturer gains 10%, the wholesale dealer gains 15% and the retailer gains 25%, then the cost of the product is: 
(a) Rs. 800  
(b) Rs. 900
(c) Rs. 700
(d) Rs. 600


Q8. The medians CD and BE of a triangle ABC intersect each other at O. The ratio of area of ∆ODE to that of ∆ABC is equal to
(a) 1 : 12
(b) 12 : 1
(c) 4 : 3
(d) 3 : 4


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