100 Important Math Questions Practice Quiz Online Mcq’s Test with Answers

1. 15 men can complete a job in 10 days. How long will it take 8 men to finish the same job if they work at the same rate?

2. What fraction must be subtracted from the sum of 1/4 and 1/6 to have an average of 1/12 of all the three fractions?

3. The average age of five members of a family is 21 years. If the age of the grandfather be included, the average is increased by 9 years. The age of the grandfather is:

4. A pipe can fill a tank in 15 hours. The tank develops a hole and 10% of water leaks out. The pipe will now fill the tank in:

5. 10 men can complete a job in 14 days. How long will it take 4 men to finish the same job if they work at the same rate?

6. The Symbol " U " is read as or stands for?

7. The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number?

8. (112 x 54) = ?

9. A person borrows Rs. 5000 for two years at 4% p.a. simple interest. He immediately lends it to another person at 6   1/4 p.a. for 2 years. Find his gain in the transaction per year.

10. Find the square root of 64 92304.

11. 3/7 ÷ 35/18 ÷ 54/20 = ?

12. (2  3/x) x (y  1/2) = 7  3/4, find the value of x and y

13. A dealer purchase 22 pencils for Rs. 20 and sells them at the rate of 10 pencils for Rs 11. His profit percent is:

14. In ΔABC, ∠A = 30°, b = 8, and a = 4√2. Angle C could equal:

15. Reena took a loan of Rs. 1200 with simple interest as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

16. A boy was asked to multiply a certain number by 25. He multiplied by it by 52 and got his answer more than the correct one by 324. The number to be multiplied was:

17. The average of first 50 natural number is:

18. The simplification of

0.8 x 0.8 x 0.8 – 0.5 x 0.5 x 0.5
0.8 x 0.8 +0.8 x 0.5 + 0.5  x 0.5     gives.

19. 5005 - 5000 ÷ 10.00 = ?

20. The Symbol " : " is read as or stands for?

21. Five years ago, the average age of age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?

22. A train travels 225 km in 3.5 hours and 370 km in 5 hours. Find the average speed of train.

23. The Symbol " b " is read as or stands for?

24. The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. The age of the youngest boy is:

25. A father is twice as old as his son. 20 years of age, the age of the father was 12 times the age of the son. The present age of the father (in years) is:

26. A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per anum is:

27. If the difference between the measures of the two acute angles of a right triangle is 20°, what is the measure, in degrees, of the smaller one?

28. The Symbol " [ ] " is read as or stands for?

29. The Symbol " ≤ " is read as or stands for?

30. The Number that can be expressed in the form of p/q where p and q are integers and q ≠0 is called the __________ Number.

31. (935421 x 625) = ?

32. (160 – 130) (270 – 240)  =  ?
2250 ÷ 50

33. A camera was sold at a loss of 10%. If it was sold for Rs. 70 more, three could have been a gain of 4% . The camera was sold for:

34. The Symbol " ∅ " is read as or stands for?

35. The Symbol " ! " is read as or stands for?

36. Find the length of the longer diagonal of a parallelogram if the sides are 6 inches and 8 inches and the smaller angle is 60°.

37. 3/7 ÷ 35/18 ÷ 54/20 = ?

38. The Symbol " % " is read as or stands for?

39. If a:b = 2:5, then the value of (2a + 3b) : (7a + 5b) is:

40. The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1:2. The smaller number is:

41. 7 x 21 ÷ 3 x 3
8 ÷ 4 x 2

42. Ali was 40 years old when his son Asim was born. How old was Ali when he was 5 times as old as Asim?

43. The Symbol " « " is read as or stands for?

44. Kiran got married 6 years ago. Today her age is 1  1/4 times her age at the time of marriage. Her son's age is 1/10 times her age. Her son's age is:

45. If 15% of x is the same as 20% of y, then x:y is:

46. The average of first five prime number is:

47. What is the area of an equilateral triangle whose altitude is 6?

48. As a fund-raiser, the school band was selling two types of candy: lollipops for 40 cents each and chocolate bars for 75 cents each. One Monday, they sold 150 candies and raised 74 dollars. How many lollipops did they sell?

49. If 1200 men in a fort have provisions for for 28 days, After 4 days, 300 men leave the fort. How long will food last now?

50. 5/3 + 7/6 + 9/3 + 7/2 = ?

51. 20 liters of a mixture contains milk and water in the ratio 5:3. If 4 liters of this mixtures are replaced by 4 liters of milk, the ratio of milk to water in the new mixture will become:

52. The Symbol " ° " is read as or stands for?

53. If sweet be bought at the rate of 14 for a rupee. How many must be sold for a rupee to gain 40 percent profit.

54. The Symbol " a " is read as or stands for?

55. A cistern normally filled in 8 hours, takes 2 hours longer due to a leak. If the cistern is full the leak shall empty it in.

56. A trader bought a stereo at 20% discount on its original price. He sold with it a 40% increase on the price he bought. His percentage of profit on on original price is:

57. If one side of ΔABC is 5, what is the smallest integer that could be the perimeter of the triangle?

58. On simplification, the expression 1 – [1 – {1 – (1 - 1 – 1)}] yields

59. The Symbol " π " is read as or stands for?

60. In what time will Rs. 500 give Rs. 50 as interest at the rate of 5% p.a. S.I.?

61. The Symbol " :: " is read as or stands for?

62. 9² x 18²= ?
3¹⁶

63. The average age of an adult class is 40 years. Twelve new students with an average age of 32 years join the class, thereby decreasing the average of the class by 4 years. The original strength of the class was:

64. There are four prime numbers written in ascending order. The product of the first three is 385 and that of the last three is 1001. Find the first number.

65. The side of a triangle are in a ratio of 4 : 5 : 6. The smallest angle is:

66. The Symbol " / " is read as or stands for?

67. The Symbol " AdjA " is read as or stands for?

68. The Symbol " [ ] " is read as or stands for?

69. (272 - 32) (124 + 176)    = ?
17 x 15 - 15

70. 1250 ÷ 25 x 0.5 = ?

71. Change 4  2/3 to an improper fraction

72. A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?

73. The largest 4 digit number exactly divisible by 88 is:

74. How many of the following numbers are divisible by 132?
264, 396, 462, 792, 968, 2178, 5184, 6336

75. In the triangle below, what is the value of x?

76. In the figure below, what is the value of c?

77. The Symbol " { } " is read as or stands for?

78. (190)² - (150)² = ?

79. The Symbol " ... " is read as or stands for?

80. John can do certain work in 30 hours. If he and his son work together, the time taken is 20 hours. The son alone can finish the work in:

81. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

82. A man took loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:

83. Arshad sold a watch to Rahim at a gain of 5% and Arshad sold it to Rashid at a gain of 4%. If Rashid paid Rs. 1092 for it, the price paid by Arshad is:

84. The Symbol " # " is read as or stands for?

85. A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.a.p.c. in 5 years. What is the sum?

86. 1397 x 1397 = ?

87. (112 x 54) = ?

88. (935421 x 625) = ?

89. A cricketer has a certain average for 9 innings. In the tenth inning, he score 100 runs, there by increasing his average by 8 runs. His new average is:

90. Z  1    = 2 ; z = ?
    z

91. If A={1,2} and B={a,b} , then A∩B=________ .

92. The product of two consecutive positive integers is 12 more than 12 times the sum of those two integers. What is the smaller of the two integers?

93. Find the least number which when multiplied with 74088 will make it a perfect square.

94. A group of students volunteered to finish a construction work in 25 days. 10 of the students did not come and the work could be finished in 35 days. The original number of students in the group were:

95. The Symbol "∴" is read as or stands for?

96. 1/2 0f 444 ÷ 2.22 = ?

97. On simplification, the expression 1 – [1 – {1 – (1 - 1 – 1)}] yields

98. How many 1/8 s are there in 37  1/2?

99. The length of each side o a square is 3 more than the length of each side of a regular pentagon. If the perimeters of the square and pentagon are equal, how long is each side of the pentagon?

100. 72519 x 9999 = ?