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. A table with marked price Rs 1200 was sold to a customer for Rs 1100. Find the rate of discount allowed on the table.
#2. In selling an article, the single discount equivalent to two successive discounts of 25% and 5% is :
#3. Find out the wrong number in the sequence 169, 144, 121, 100, 82, 64, 49
#4. The simple interest on a sum after 4 years is 
of the sum. The rate of interest per annum is :
#5. The sum of the HCF and LCM of two numbers is 680 and the LCM is 84 times the HCF If one of the number is 56, the other is :
#6. A fruit merchant makes a profit of 25% by selling mangoes at a certain price. If he charges Rs 1 more on each mango, he would gain 50%. At first the price of one mango was :
#7. 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?
#8. The first odd number is 1, the second odd number is 3, the third odd number is 5 and so on. The 200th odd number is :
#9. 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 :
#10. If a person marks a product 25% above the cost price but allows 10% discount, then the percentage of profit is :
#11. 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 :
#12. If 20% of A = 50% of B, then what per cent of A is B?
#13. If x is less than y by 25% then y exceeds x by
#14. In an election there were only two candidates. One of the candidates secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is :
#15. Unit digit in (264)102 + (264)103 is :
#16. The least number, that must be added to 1720 so as to obtain a perfect cube is :
#17. If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of 
is
#18. 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?
#19. The numbers of the sequence 52, 51, 48, 43, 34, 27, 16 form a pattern. Which of them is misfit in the pattern?
#20. 31% of employees pay tax in the year 2008. The number of non-tax paying employees are 20,700. The total number of employees is :
#21. A sum of Rs 400 amounts to Rs 480 in 4 years. What will it amount to if the rate of interest is increased by 2%?
#22. A sum of money is divided among A, B, C and D in the proportion of 7 : 6 : 3 : 5. If B gets `270 more than C, then the share of D is :
#23. 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 ?
#24. Three numbers are in the ratio 2 : 3 : 4 and their HCF is 12. The L.C.M of the numbers is
Let the numbers be 2x, 3x and 4x respectively.
HCF = x = 12
Numbers are : 2 ×12 = 24
3 ×12 = 36, 4 ×12 = 48
LCM of 24, 36, 48
= 2 × 2 × 2 × 3 × 3 × 2 = 144
#25. If the average weight of 6 students is 50 kg; that of 2 students is 51 kg and that of 2 other students is 55 kg; then the average weight of all the students is :
#26. In an examination, 52% students failed in Hindi and 42% in English. If 17% failed in both the subjects, what percentage of students passed in both the subjects?
#27. What number should be subtracted from both the terms of the ratio 11 : 15 so as to make it as 2 : 3 ?
#28. How many numbers between 400 and 800 are divisible by 4, 5 and 6?
#29. Two numbers are in ratio 5 : 8. If their difference is 48, then the smaller number is :
#30. The length of a road is one kilometre. The number of plants required for plantation at a gap of 20 metres in both sides of the road is
#31. The ratio of the age of a father to that of his son is 5 : 2. If the product of their ages in years is 1000, then the father’s age (in years) after 10 years will be:
#32. The LCM of two numbers is 1920 and their HCF is 16. If one of the number is 128, find the other number.
#33. 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?
#34. Find the sum of the first five terms of the following series.
+………+…….
#35. Given that 12 + 22 + 32 + … + 202 = 2870. Then the value of (22 + 42 + 62 + … + 402 ) is :
#36. What least number must be subtracted from 1936 so that the resulting number when divided by 9, 10 and 15 will leave in each case the same remainder 7 ?
LCM of 9, 10 and 15 = 90
The multiple of 90 are also divisible by 9, 10 or 15.
21 × 90 = 1890 will be divisible by them.
Now, 1897 will be the number
that will give remainder 7.
Required number = 1936 – 1897 = 39
#37. 
is equal to
#38. 25% of annual salary of A is equal to eighty percent of annual salary of B. The monthly salary of B is 40% of the monthly salary of C. The annual salary of C is Rs. 6 lac. What is the monthly salary of A?
#39. A boy and girl together fill a cistern with water. The boy pours 4 litres of water every 3 minutes and the girl pours 3 litres every 4 minutes. How much time will it take to fill 100 litres of water in the cistern?
#40. The next number of the sequence 2, 5, 10, 14, 18, 23, 26, 32 … is
#41. A person who pays income tax at the rate of 4 paise per rupee, find that a fall of interest rate from 4% to 3.75% diminishes his net yearly income by Rs 48. What is his capital?
#42. Out of seven given numbers, the average of the first four numbers is 4 and that of the last four numbers is also 4. If the average of all the seven numbers is 3, then the fourth number is :
#43. Three numbers are in the ratio 2 : 3 : 4. If the sum of their squares is 1856, then the numbers are
#44. A merchant sold an article for Rs 75 at a profit per cent equal to its cost price. The cost price of the article was :
#45. The value of 
is
#46. A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is :
#47. The middle term(s) of the following series 2 + 4 + 6 + … + 198 is
#48. In an examination, a student must get 36% marks to pass. A student who gets 190 marks failed by 35 marks. The total marks in that examination is :
#49. If the square of the sum of two numbers is equal to 4 times of their product, then the ratio of these numbers is :
#50. In a race of 200 metres, B can give a start of 10 metres to A and C can give a start of 20 metres to B. The start that C can give to A, in the same race is :
