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
Results
#1. The value of ($ 11111)^2 $ is

#2. The speed of a boat is 5 km per hour in still water and the speed of the stream is 3 km per hour. If the boat takes 3 hours to go to a place and come back, then the distance of the place is :

#3. Divide 50 into two parts so that the sum of their reciprocals is $ \frac{1}{12} $

#4. The ratio of the incomes of A and B as well as B and C is 3 : 2. If one third of A’s income exceeds one fourth of C’s income by Rs.1000, what is B’s income in Rs. ?

#5. The total discount on Rs 1860 due after a certain time at 5% is Rs 60. Find the time after which it is due :

#6. 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 :

#7. When 75% of a number is added to 75, the result is the same number. Find the number.

#8. Which term of the series 72, 63, 54 … is zero?

#9. The compound interest on a certain sum for 2 year at 10% per annum is Rs 525. The simple interest on the same sum for double the time at half the rate percent per annum is :

#10. If the selling price of 4 articles is equal to the cost price of 5 articles, the profit per cent is :

#11. Of the three numbers whose average is 60, the first is one fourth of the sum of the others. The first number is :

#12. 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
#13. One man or two women or three boys can do a piece of work in 88 days. One man, one women and one boy will do it in :

#14. $ (\frac12)^{-\frac12} $ is equal to

#15. Unit digit in (264)102 + (264)103 is :

#16. A train runs from Howrah to Bandel at an average speed of 20 km/hr and returns at an average speed of 30 km/hr. The average speed (in km/hr) of the train in the whole journey is :

#17. If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to :

#18. 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 :

#19. A, B and C can do a piece of work in 24, 30 and 40 days respectively. They began the work together but C left 4 days before completion of the work. In how many days was the work done ?

#20. Ramesh bought 10 cycles for Rs 500 each. He spent Rs 2000 on the repair of all cycles. He sold five of them for Rs 750 each and the remaining for Rs 550 each. Then the total gain or loss % is :

#21. The cost price of 18 articles is equal to the selling price of 15 articles. The gain percent is :

#22. 84 Maths books, 90 Physics books and 120 Chemistry books have to be stacked topic wise. How many books will be there in each stack so that each stack will have the same height too ?
As the height of each stack is same, the required number of books in each stack
HCF of 84, 90 and 120
84 = 2 × 2 × 3 × 7, 90 = 2 × 3 × 3 × 5, 120 = 2 × 2 × 2 × 3 × 5
HCF = 2 × 3 = 6
#23. Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, then they are in the ratio 12 : 23. Find the smaller number.

#24. . A train is running at 36 km/hr. If it crosses a pole in 25 seconds, then its length is :

#25. The average of six numbers is 32. If each of the first three numbers is increased by 2 and each of the remaining three numbers is decreased by 4, then the new average is :

#26. If the price of a commodity is increased by 50%, by what fraction must its consumption be reduced so as to keep the same expenditure on its consumption?

#27. In a class there are 30 boys and their average age is 17 years. When on one boy aged 18 years leaving the class and another joining, the average age becomes 16.9 years. The age of new boy is :

#28. Alcohol and water in two vessels A and B are in the ratio 5 : 3 and 5 : 4 respectively. In what ratio, the liquids in both the vessels be mixed to obtain a new mixture in vessel C in the ratio 7 : 5 ?

#29. 4 boys and 3 girls spent Rs.120 on the average, of which the boys spent Rs.150 on the average. Then the average amount spent by the girls is:

#30. the value of 25 – 5 [2 + 3 (2 – 2 (5 – 3) + 5) – 10] ÷ 4 is

#31. What sum of money must be given as simple interest for six months at 4% per annum in order to earn Rs 150 interest?

#32. How many numbers between 400 and 800 are divisible by 4, 5 and 6?

#33. $ \sqrt[3]{(333)^3+(333)^3+(334)^3 -3\times333\times333\times334} $ is equal to

#34. Of the three numbers, the second is twice the first and also thrice the third. If the average of the three numbers is 44, the largest number is

#35. A train of length 150 m takes 30 seconds to cross a bridge of 500 m long. How much time will the train take to cross a platform of length 370 m?

#36. $ \frac{4.41\times0.16}{2.1\times 1.6 \times 0.21} $ is simplified to

#37. A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is :

#38. A boat goes 20 km downstream in one hour and the same distance upstream in two hours. The speed of the boat in still water is :

#39. 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?

#40. A man and a boy received Rs 800 as wages for 5 days for the work they did together. The man’s efficiency in the work was three times that of the boy. What are the daily wages of the boy ?

#41. The difference between the value of the number increased by 20% and the value of the number decreased by 25% is 36. Find the number :

#42. In a class, there are ‘z’ students. Out of them ‘x’ are boys. What part of the class is composed of girls?

#43. A person buys 100 cups at Rs 10 each. On the way 10 cups are broken. He sells the remaining cups at Rs 11 each. His loss percent is :

#44. A’s salary is 50% more than that of B. How much per cent is B’s salary less than that of A?

#45. The simple interest on a sum after 4 years is $ \frac15 $ of the sum. The rate of interest per annum is :

#46. A and B together can do a piece of work in 6 days. If A can alone do the work in 18 days, then the number of days required for B to finish the work is :

#47. Two boats A and B start towards each other from two places, which is 108 km apart. Speed of the boat A and B in still water are 12 km/hr and 15 km/hr respectively. If A proceeds down and B up the stream, they will meet after how many hours?

#48. The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, then the percentage of the students, who do not get the scholarship, is :

#49. The speed of two trains is in the ratio of 6 : 7. If the second train runs 364 km in 4 hours, then the speed of first train is ?

#50. If $ (125)^{2/3}\times (625)^{1/4} = 5^{x} $, then the value of x is
