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
Immediate display of Answer and Solution
New Practice of 50 Questions in every attempt
Results
#1. A shopkeeper sold his goods at half the list price and thus lost 20%. If he had sold on the listed price, his gain percentage would be.
#2. 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?
#3. The least perfect square, which is divisible by each of 21, 36 and 66 is
#4. A student was asked to multiply a given number by 
Instead, he divided the number by His answer was 225 more than the correct answer. The given number was :
#5. 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 :
#6. If 
, then the value of 
up to three places of decimals is :
#7. if
=80, then P is equal to
#8. Arrange 
in the ascending order.
#9. If the ratio of two numbers is 2 : 3 and their LCM is 54, then the sum of the two numbers is
Let the two numbers are 2x and 3x respectively.
According to question,
LCM = 54
x (3×2)=54
x = 9
Numbers = 2x = 2 × 9 = 18 and 3x = 3 × 9 = 27
Sum of the two numbers
= 18 27 = 45
#10. The total discount on Rs 1860 due after a certain time at 5% is Rs 60. Find the time after which it is due :
#11. The average marks of a class of 35 children is 35. The marks of one of the students, who got 35, was incorrectly entered as 65. What is the correct average of the class?
#12. A can cultivate 
th of a land in 6 days and B can cultivate 
rd of the same land in 10 days. Working together A and B can cultivate 
th of the land in :
#13. In an examination there are three subjects of 100 marks each. A student scores 60% in the first subject and 80% in the second subject. He scored 70% in aggregate. His percentage of marks in the third subject is :
#14. A man, a woman and a boy can together complete a piece of work in 3 days. If a man alone can do it in 6 days and a boy alone in 18 days, how long will a woman alone take to complete the work?
#15. The population of a town increases by 5% every year. If the present population is 9261, the population 3 years ago was :
#16. A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 a.m., the pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 a.m.?
#17. The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is :
#18. The sum of a natural number and its square equals the product of the first three prime numbers. The number is
#19. If 28 men complete 
of a piece of work in a week, then the number of men, who must be engaged to get the remaining work completed in another week, is :
#20. 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)
#21. The difference between the simple and compound interest on a certain sum of money at 5% rate of interest per annum for 2 years is Rs 15. Then the sum is :
#22. If 2 + x
=
then the simplest value of x is :
#23. If A’s income is 50% less than that of B’s, then B’s income is what per cent more than that of A?
#24. An item when sold for Rs 1690 earned 30% profit on the cost price. Then the cost price is :
#25. The average pocket money of 3 friends A, B, C is Rs. 80 in a particular month. If B spends double and C spends triple of what A spends during that month and if the average of their unspent pocket money is Rs. 60, then A spends (in Rs.)
#26. A single discount equivalent to the series of discounts 20%, 10% and 5% is equal to :
#27. 
is equal to
#28. The current ages of Sonali and Monali are in the ratio 5 : 3. Five years from now, their ages will be in the ratio 10 : 7. Then, Monali’ s current age is
#29. The value of ![3\frac12 -[2\frac14+ \{{1\frac14-\frac12(1\frac12-\frac13-\frac16)}\}]](https://s0.wp.com/latex.php?latex=3%5Cfrac12+-%5B2%5Cfrac14%2B+%5C%7B%7B1%5Cfrac14-%5Cfrac12%281%5Cfrac12-%5Cfrac13-%5Cfrac16%29%7D%5C%7D%5D+&bg=ffffff&fg=000&s=0&c=20201002)
is
#30. An article is sold at a gain of 15%. Had it been sold for Rs 27 more, the profit would have been 20%. The cost price of the article is :
#31. 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?
#32. What number should be subtracted from both the terms of the ratio 11 : 15 so as to make it as 2 : 3 ?
#33. On selling an article for Rs 651, there is a loss of 7%. The cost price of that article is :
#34. The simplification of 
up to three places of decimals yields
#35. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. The weight of the new person is :
#36. A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days A alone can finish the work in :
#37. The mean of 20 items is 55. If two items such as 45 and 30 are removed, the new mean of the remaining items is :
#38. By how much does 
exceed 
?
#39. What is the smallest number which leaves remainder 3 when divided by any of the numbers 5, 6 or 8 but leaves no remainder when it is divided by 9 ?
#40. The average of 30 numbers is 12. The average of the first 20 of them is 11 and that of the next 9 is 10. The last number is :
Explanation: Last number :
= 30 × 12-20 × 11 − 9 × 10
= 360 − 220 − 90
= 360 − 310 = 50
#41. LCM of 12 and 16 Prime factorisation of 
× 3 = 22 × 3 Prime factorisation of 16 = 2 × 2 × 2 × 2 = 24
[latex]e^{i pi} 1 = 0[/latex]
[latex]e^{i pi} 1 = 0[/latex]
[latex]e^{i pi} 1 = 0[/latex]
#42. 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
#43. 2 men and 1 woman can complete a piece of work in 14 days while 4 women and 2 men can do the same work in 8 days. If a man gets Rs 180 per day, then what amount will a woman get per day?
#44. A store offe Rs a variety of discounts that range between 20% and 25% inclusive. If a book is discounted to a price of Rs 270, then its greatest possible original price was :
#45. The product of two 2–digit numbers is 2160 and their HCF is 12. The numbers are
#46. A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish this work?
#47. In what time will Rs 10000 amount to Rs 13310 at 20% per annum if compounded half yearly?
#48. In a group of students, 70% can speak English and 65% can speak Hindi. If 27% of the students can speak none of the two languages, then what per cent of the group can speak both the languages?
#49. By selling 144 hens Mahesh suffered a loss equal to the selling price of 6 hens. His loss percent is :
#50. The value of 
is
