Mathematics Questions for CDS & AFCAT: 18th January


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.



Q3. A man travels 400 km in, partly by rail and partly by steamer. He spends 9 hours more time on steamer. If the velocity of the steamer is 30 km/hr and the velocity of rail is 70 km/hr, how much distance does he cover by steamer?
(a) 309 km
(b) 371 km
(c) 464 km
(d) 556 km

Q4. Raheem sells a machine for Rs 48 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.
(a) Rs 58 lakhs
(b) Rs 69.6 lakhs
(c) Rs 42 lakhs
(d) Rs 50 lakhs

Q5. If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be
(a) 4
(b) 5
(c) 3
(d) 6

Q6. Find two numbers such that their mean proportion is 16 and third proportion is 1024.
(a) 4 and 32
(b) 4 and 64
(c) 8 and 64
(d) 8 and 32

Q7. The average weight of Shubha, Govinda and Reshma is 65 kg. If the average weight of Shubha and Govinda be 63 kg and that of Govinda and Reshma be 70 kg, then the weight of Govinda is
(a) 41
(b) 71
(c) 88
(d) 46

Q8. The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.
(a) 8
(b) 9
(c) 7
(d) 6

Q9.P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?
(a) 20 days
(b) 30 days
(c) 40 days
(d) 10 days

Q10.A dishonest milkman buys milk at Rs 24 per litre and adds 1/3 of water to it and sells the mixture at Rs 32 per litre. What is his gain?
(a) 33.33 percent
(b) 50 Percent
(c) 77.78 percent
(d) 66.67 percent

SOLUTIONS












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