# Math MCQs for CSS, PMS, NTS  Written by

### and all other Competitive exams

1  The price of sugar increases by 32%. A family reduces its consumption so that the expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month at present(in kg) is
(a) 8.33                  (b) 8.5
(c) 8.75                  (d) 9

2              A ball pen factory decided to reduce its production by 10% over that of previous month for next 3 months  starting from February 1994. In January 1994, it produced 3000 ball pens. How many ball pens were produced in March 1994?
(a) 2700                 (b) 2430
(c) 2187                 (d) 2400

3              A building worth Rs 133,100 is constructed on land worth Rs. 72,900. After how many years will the value of both be the same if land appreciates at 10% pa. and building depreciates at 10% p.a. ?
(a) 2.5                    (b) 2
(c) 1.5                     (d) 3

4              A man’s basic pay for a 40 hour week is Rs. 2000. Overtime is paid for at 25% above the basic rate. In a certain week, he worked overtime and his total wage was Rs. 2500. He, therefore, worked for a total of:
(a) 45 hours  (b) 47 hours
(c) 48 hours          (d) 50 hours

5              Salaries of A, B and C are in the ratio 1:2:3. Salary of B and C together is Rs. 60000. By what percent is salary of C more than that of A?
(a) 300                   (b) 600
(c) 100                   (d) 200

6              The price of a table is Rs. 400 more than that of a chair. If 6 tables and 6 chairs together cost Rs. 4800, by what percent is the price of the chair less than that of the table?
(a) 200                   (b) 400
(c) 100                   (d) None of these

7              The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by?
(a) 42%                 (b) 62%
(c) 82%                  (d) None of these

8              The length of a rectangle is increased by 20% and the width is decreased by 20%. The area decreases by
(a) 0.8%                                (b) 1.2%
(c) 4%                    (d) 8%

9              The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area ?
(a) 37 %                                (b) 60%
(c) 75%                  (d) None of these

10           In a market survey, 20% opted for product A whereas 60% opted for product B. The remaining individuals were not certain. If the difference between those who opted for product B and those who were uncertain was 720, how many individuals were covered in the survey ?
(a) 3600                 (b) 1440

13           5 out of 2250 parts of earth is sulphur. What is the percentage of sulphur in earth?
(a) 11/50                (b) 2/9
(c) 1/45                  (d) 2/45

14           45 x ? = 25% of 900
(a) 16.20                (b) 500
(c) 4                        (d) 5

15           218% of 1674 = ? x 1800
(a) 4                        (b) 0.5
(c) 6                        (d) None of these

16           13937.869 ÷ 199.54 + 15% of 201=?
(a) 150                   (b) 90
(c) 80                      (d) 100

17           63% of 25/7 is ?
(a) 2.25                  (b) 2.40
(c) 2.50                  (d) 2.75

18           If 30 % of a number is 12.6, then the number is?
(a) 41                     (b) 51
(c) 52                      (d) 42

19           5% of(25% of Rs. 1600) is?
(a) Rs. 5                 (b) Rs. 17.50
(c) Rs. 20               (d) Rs. 25

20           (25/3) % of ? = 150
(a) 1250                 (b) 1800
(c) 1700                 (d) 1400

21           35% of 30=25% of ? +1
(a) 28                     (b) 38
(c) 42                      (d) 32

22           ?% of 6144 = 5/2 x 245.76
(a) 16                     (b) 20
(c) 5                        (d) 10

23           (30% of 80)/? =24
(a) 3/10                  (b) 3/17
(c) 1                        (d) 2

24           45% of ? + 30% of 90 = 30% of 210.
(a) 120                   (b) 80
(c) 60                      (d) 90

25           One fourth of one third of two fifth of a number is 15. V/hat will be 40% of that number?
(a) 120                   (b) 350
(c) 270                   (d) 180

26           If 37% of a number is 990.86, what will be approximately 19% of that number?
(a) 600                   (b) 400
(c) 500                   (d) 700

27           If 15% of 40 is greater than 25% of a number by 2, the number is ?
(a) 16                     (b) 20
(c) 24                      (d) 32

28           What will be 160% of a number whose 200% is 140?
(a) 200                   (b) 160
(c) 140                   (d) 112

29          If 75% of a number is added to 75, the result is the number itself. Then, the number is ?
(a) 400                   (b) 300
(c) 60                      (d) 50

30           Subtracting 40% of a number from the number, we get the result as 30. The number is?
(a) 28                     (b) 50
(c) 52                      (d) 70

31           If three fifth of a number is 40 more than 40% of the same number. What is the number?
(a) 100                   (b) 150
(c) 200                   (d) 400

32           A number, on subtracting 15 from it, reduces to its 80% What is 40% of that number?
(a) 60                     (b) 45
(c) 30                      (d) 90

33           The population of a town has increased from 133575 to 138918. The percent increase in population is ?
(a) 2.5                    (b) 3
(c) 3.5                     (d) 4

34           If x% of y is the same as 4/5 of 80 , then the value of xy is
(a) 320                   (b) 400
(c) 640                   (d) None

35           Subtracting 6% of x from xi s equivalent to multiplying x by how much?
(a) 0 .94                 (b) 9.4
(c) 0.094                                (d) 94

36           If 8% of x=4% of y, then 20% of x is?
(a) 10% of y          (b) 16% of y
(c) 80% of y          (d) None of these

37           (x % of y+ y % of x ) is?
(a) x % of y            (b) y% of x
(c) 2 % of xy          (d) xy % of 3

38           It is known that 20% of the mangoes are rotten. If number of rotten mangoes is 35, then the total number of mangoes is
(a) 150                   (b) 175
(c) 180                   (d) 185

39           A student has to secure 40% marks to pass. He gets 178 marks and fails by 22 marks. The maximum marks are?
(a) 200                   (b) 500
(c) 800                   (d) 1000

40           A house-owner was having his house painted. He was advised that he would require 25 kg of paint. Allowing for 15% wastage and assuming that the paint is available in 2kg cans, what would be the cost of paint purchased, if one can cost Rs. 16 ?
(a) Rs. 240            (b) Rs. 180
(c) Rs. 160            (d) Rs. 360

41           A reduction of 12.5% in the price of a dining table brought down its price to Rs. 4375. The original price(in Rs.) of the table was?
(a) 6000                 (b) 5400
(c) 5200                 (d) 5000

42           In a library, 20% books are Urdu , 50% of the remaining are in English and the remaining 9000 are in various other languages. What is the total number of books in English?
(a) 4000                 (b) 3000
(c) 2250                 (d) None of these

43           Ali spends 30% of his income on CNG, ¼ of the remaining on house rent and the balance on food. If he spends Rs. 300 on CNG then what is the expenditure on house rent?
(a) Rs 525             (b) Rs. 1000
(c) Rs 675             (d) Rs. 175

44           The price of jute has been reduced by 20%. If the reduced price is Rs. 800 per quintal, the original price per quintal was?
(a) Rs. 900            (b) Rs. 640
(c) Rs. 960            (d) Rs. 1000

45           Tariq spends 40% of his salary on food articles and one third of the remaining on transport. If he saves Rs. 450 per month which is half of the balance after spending on food items and transport, what is his monthly salary-?
(a) Rs. 4500          (b) Rs. 2250
(c) Rs. 1125          (d) Rs. 2500

46           In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates failed is ?
(a) 45                     (b) 45.5
(c) 54.5                  (d) 59.2

47           Haris secured 50% marks in Sindhi, 60% in English and 70% in Maths as well as in Science. What were his total marks if the maximum marks obtainable in each of these 4 subjects was 50 ?
(a) 125                   (b) 120
(c) 250                   (d) 150

48           In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is female while this figure for rural and urban migrants is 30% and 40% respectively. If the total population of the city is 728400, what is its female population 7
(a) 324138            (b) 349680
(c) 509940            (d) None

49           A’s marks in Biology are 20 less than 25% of the total marks obtained by him in Biology, Maths and Physics. If his marks in Physics be 50, what are his marks in Maths ?
(a) 40     (b) 45
(c) 50      (d) Can’t be determined

50           An increase of Rs. 60 in the monthly salary of Umar made it 50% of the monthly salary of Ali. What is Umar’s present monthly salary 7
(a) Rs. 180            (b) Rs. 240
(c) Rs. 300            (d) Data inadequate

51           A man bought a house for Rs. 5 lakhs and rents it. He puts 12.5% of each month’s rent aside for repairs, pays Rs. 1660 as annual taxes and realises 10% on his investment thereafter. The monthly rent of the house is?
(a) Rs. 5000          (b) Rs. 4920
(c) Rs. 2500          (d) Rs. 2460

52           In a public school, 1/5th of girls and 1/4th of boys are under 12 years of age. If the total strength of the school is 1000 and number of girls is 2/5th of the total, what part of the total strength of the school is accounted for by those which are 12 years or more of age ?
(a) 23%                 (b) 45%
(c) 55%                  (d) 77%

53           A debtor can pay 87 paise in the rupee, but if his creditors would take 20% of his debts, he could pay them and have Rs. 42 left. His debts and assets respectively are?
Rs. 600, Rs. 522
Rs. 500 , Rs. 521
Rs. 400, Rs. 520
Rs. 1000, Rs. 525

54           300 grams of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution ?
(a) 10 gms             (b) 40 gms
(c) 60 gms             (d) 80 gms

55           The price of an article is cut by 20%. To restore it to the former value, the new price must be increased by?
(a) 20%                 (b) 25 %
(c) 16                      (d) 24%

56           In an examination, there are 3 papers of Mathematics of 100 marks each. A boy secures 60% in the first paper and 70% in the second paper. In order to secure 70% in the aggregate the  percentage of marks he should secure in third paper will be?
(a) 90%                 (b) 80%
(c) 75%                  (d) 70%

57           5% of income of A is equal to 15% of income of B and 10% of income of B is equal to 20% of income of C. If income of C is Rs. 2000, then total income of A, B & C is?
(a) Rs. 6000          (b) Rs. 18000
(c) Rs. 20000        (d) Rs. 14000

58           In an examination, A got 10% marks less than B, B got 25% marks more than C and C got 20% less than D. If A got 360 marks out of 500, the percentage of marks obtained by D was?
(a) 70                     (b) 75
(c) 80                      (d) 85

59           In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics. If 40 students failed in both the subjects, the total number of students is
(a) 200                   (b) 400
(c) 600                   (d) 800

60           In an examination, 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the examination, how many passed in either subject but not in both?
(a) 325                   (b) 1175
(c) 2125                 (d) None of these

61           In an election between two candidates, one got 55% of total valid votes. 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got was
(a) 2700                 (b) 2900
(c) 3000                 (d) 3100

62           At an election involving two candidates, 68 votes were declared invalid. The winning candidate scores 52% and wins by 98 votes. The total number of votes polled is ?
(a) 2518                 (b) 2450
(c) 2382                 (d) None of these

63           A’s income is 25% more than B’s income. B income in terms of A’s income is?
(a) 75%                 (b) 80 %.
(c) 90%                  (d) 96%

64           Water tax is increased by 20% but its consumption is decreased by 20%. Then, the increase or decrease in the expenditure of the money is
(a) No change      (b) 5% decrease
(c) 4% increase   (d) 4% decrease

65           On increasing the price of T.V. sets by 30%, their sale decreases by 20%. What is the effect on the revenue receipts of the shop?
(a) 4% increase  (b) 4% decrease
(c) 8% increase  (d) 8% decrease

66           The price of sugar increases by 20%. By what percent must a house wife reduce the consumption of sugar, so that the expenditure on sugar is the same as before ?
(a) 16.66                (b) 20
(c) 80                      (d) 83.33

67           The price of sugar is increased by 20%. As a result, a family decreases its consumption by 25%. The expenditure of the family on sugar will be decreased by
(a) 10%                 (b) 5%
(c) 14%                  (d) 15%

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