Quantitative Aptitude Questions with answers and Solutions for SSC CPO- SI in CPMF Exam. Maths MCQs Mock Test for free online practice of SI CAPF Exam.
Practice Set : Mathematics (Quantitative Aptitude)
Questions : 50
Medium : English
Level : SSC CPO SI Exam
All Type and topic MCQs – Solved by short tricks
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New Practice of 50 Questions in every attempt
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#1. $ \sqrt{\frac{0.49}{0.25}} $ +$ \sqrt{\frac{0.81}{0.36}} $ is equal to
#2. The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.2 year. The average age of the new students is :
#3. The simplification of $ \frac18+\frac{1}{8^2}+\frac{1}{8^3}+\frac{1}{8^4}+\frac{1}{8^5} $up to three places of decimals yields
#4. In a test a student got 30% marks and failed by 25 marks. In the same test another student got 40% marks and secured 25 marks more than the essential minimum pass marks. The maximum marks for the test were
#5. A sells a cycle to B at a profit of 20% and B sells it to C at a loss of 25%. If C bought the cycle for Rs. P, then the cost price of it for A was :
#6. The state electricity board gives 15% discount on electric bills if it is paid before due date. One person gets Rs 54 as discount. The amount of actual bill was :
#7. A person can row $ 7\frac12 $ km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is :
#8. The ratio of 252.5 : 53 is same as :
#9. Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?
#10. If one-ninth of a certain number exceeds its one-tenth by 4, the number is :
#11. Two numbers are in the ratio 1 : 3 If their sum is 240, then their difference is :
#12.
If W1 : W2 = 2 : 3 and W1 : W3= 1 : 2 then W2 : W3 is
#13. If out of 10 selected students for an examination, 3 were of 20 years age, 4 of 21 and 3 of 22 years, the average age of the group is :
#14. A train of length 120 m long, takes 6 seconds to pass a telegraph post, the speed of train is :
#15. In an examination, 19% students fail in Mathematics and 10% students fail in English. If 7% of all students fail in both subjects, then the number of students passed in both subjects is :
#16. The average of three consecutive odd numbers is 12 more than one third of the first of these numbers. What is the last of the three numbers?
#17. A milkman makes 20% profit by selling milk mixed with water at Rs 9 per litre. If the cost price of 1 litre pure milk is Rs 10, then the ratio of milk and water in the said mixture is :
#18. A man rows 750 m in 600 seconds against the stream and returns in $ 7\frac1 2 $ minutes. Its rowing speed in still water is (in km/hr).
#19. If the ratio of principal and the simple interest for 5 years is 10 : 3, then the rate of interest is :
#20. The next number of the sequence 2, 5, 10, 14, 18, 23, 26, 32 … is
#21. The ratio of two numbers is 3 : 8 and their difference is 115. The smaller of the two numbers is :
#22. A motor boat covers a certain distance downstream in a river in 3 hours. It covers the same distance upstream in 3 hours and a half. If the speed of water is 1.5 km/h, then the speed of the boat in still water is :
#23. Which term of the sequence 6, 13, 20, 27, … is 98 more than its 24th term?
#24. The least number to be subtracted from 36798 to get a number which is exactly divisible by 78 is
When 36798 is divided by 78, remainder = 60
The least number to be subtracted = 60
#25. Two numbers are in ratio 5 : 8. If their difference is 48, then the smaller number is :
#26. Walking at the rate of 4 kmph a man covers certain distance in 2 hours 45 minutes. Running at a speed of 36.5 kmph the man will cover the same distance in how many minutes?
#27. A group of 75 men are employed to lay down a railway line in 3 months. Due to certain emergency conditions, the work was to be finished in 18 days. How many more men should be employed to complete the work in the desired time ?
#28. Two successive discounts of 10% and 5% is given on a bill of Rs 110. Find the net amount of money payable to clear the bill. (Answer to the nearest rupee)
#29. A supply of juice lasts for 35 days. If its use is increased by 40%, then the number of days would the same amount of juice lasts is :
#30. A pipe can fill a tank in ‘x’ hours and another pipe can empty it in ‘y’ (y > x) hours. If both the pipes are open, in how many hours will the tank be filled?
#31. A man is walking at a speed of 10 kmph. After every km, he takes a rest for 5 minutes. How much time will he take to cover a distance of 5 km?
#32. In what time will Rs 10000 amount to Rs 13310 at 20% per annum if compounded half yearly?
#33. The least number, which is to be added to the greatest number of 4 digits so that the sum may be divisible by 345 is :
#34. A, B and C can do a piece of work in 30, 20 and 10 days respectively. A is assisted by B on one day and by C on the next day, alternately. How long would the work take to finish?
#35. The average of all the odd integers between 2 and 22 is :
#36. if$ \frac{1120}{\sqrt P} $ =80, then P is equal to
#37. Find the selling price of an article if a shopkeeper allows two successive discounts of 5% each on the marked price of Rs 80
#38. A bicycle, marked at Rs 2,000 is sold with two successive discounts of 20% and 10%. An additional discount of 5% is offered for cash payment. The selling price of the bicycle at cash payment is :
#39. A reduction of 25% in the price of rice enables a person to buy 10 kg more rice for Rs.600. The reduced per kg price of rice
#40. Given that 12 + 22 + 32 + … + 102 = 385, the value of 22 + 42 + 62 + … + 202 is
#41. The greatest number, that divides 122 and 243 leaving respectively 2 and 3 as remainders, is
Clearly, 122 – 2 = 120 and 243 – 3 = 240 are exactly divisible by the required number.
Required number
= HCF of 120 and 240 = 120
#42. Three numbers are in the ratio 2 : 3 : 4. If the sum of their squares is 1856, then the numbers are
#43. A man with $ \frac35 $ of his usual speed reaches the destination $ 2\frac12 $ hours late. Find his usual time to reach the destination .
#44. The average weight of the first 11 persons among 12 persons is 95 kg. The weight of 12th person is 33 kg more than the average weight of all the 12 persons. The weight of the 12th person is :
#45. If a person marks a product 25% above the cost price but allows 10% discount, then the percentage of profit is :
#46. The cost price of 36 books is equal to the selling price of 30 books. The gain percent is :
#47. A takes three times as long as B and C together to do a job. B takes four times as long as A and C together to do the work. If all the three, working together can complete the job in 24 days, then the number of days, A alone will take to finish the job is
#48. Of the three numbers whose average is 60, the first is one fourth of the sum of the others. The first number is :
#49. The least number that should be added to 2055, so that the sum is exactly divisible by 27 is :
#50. A’s salary is 50% more than that of B. How much per cent is B’s salary less than that of A?
