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Mathematic Quiz

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1 / 146

The G.C.D. of 1.08, 0.36 and 0.9 is:

2 / 146

What is the area of a triangle whose base is given to be 7 cm and height as 8 cm?

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The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:

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The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

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42 ÷ 7 + 10 – 3

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The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

7 / 146

The number of pairs of identical faces in a cuboid.

8 / 146

The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:

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The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

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The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

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Evaluate: {[(12 – 4) × 2] ÷ 4} + 3

12 / 146

What is the place value of 5 in the given decimal 924.75?

13 / 146

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

14 / 146

Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?

15 / 146

Simplify: 20 ÷ {[10 – (4 × 2)] + 3}

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The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

18 / 146

Raju bought a book for ₹ 35.65. He gave ₹ 50 to the shopkeeper. How much money did he get back from the shopkeeper?

19 / 146

252 can be expressed as a product of primes as:

20 / 146

Which of the following point lies between 0.1 and 0.2?

21 / 146

What is the sum of two consecutive even numbers, the difference of whose squares is 84?

22 / 146

If 0.75 : x :: 5 : 8, then x is equal to:

23 / 146

If b=6b = 6b=6, solve (b÷2)+10−4(b ÷ 2) + 10 – 4(b÷2)+10−4

24 / 146

What is the formula for the curved surface area of a regular cylinder?

25 / 146

Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.

26 / 146

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:

27 / 146

Find the length of the edge of a cube whose surface area is given as 54 cm².

28 / 146

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

29 / 146

Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

30 / 146

A student multiplied a number by 3 instead of 5 .
5 3

What is the percentage error in the calculation?

31 / 146

30 + (8 × 4) – 9

32 / 146

If m=4m = 4m=4, n=2n = 2n=2, solve (m−n)2+n(m – n)^2 + n(m−n)2+n

33 / 146

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:

34 / 146

(24 ÷ 4) × 5 – 7

35 / 146

The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

36 / 146

The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

37 / 146

Find: 15 × (4 – 1) ÷ 3

38 / 146

Calculate: 6 + {8 ÷ [5 – (2 + 1)]}

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Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

40 / 146

What is the decimal expansion of 5/10?

41 / 146

Find the lowest common multiple of 24, 36 and 40.

42 / 146

Write the following as decimals: “Two ones and five-tenths”.

43 / 146

Which of the following number can be placed in the tens column if the given number is 297.35?

44 / 146

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

45 / 146

1 litre = ______ cubic centimeters?

46 / 146

Simplify: (20 ÷ 5) × 2 + 1

47 / 146

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

48 / 146

Evaluate: (7 + 5) ÷ (4 – 1)

49 / 146

Find the height of a regular cylinder whose radius is 14 cm and the total surface area is 4342 cm²  is (take pi= 22/7):

50 / 146

32.549 > 32.458 because:

51 / 146

Work out: (8 ÷ 2)^2 – 5

52 / 146

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

Explanation:

L.C.M. of 6, 9, 15 and 18 is 90.

Let required number be 90k + 4, which is multiple of 7.

Least value of k for which (90k + 4) is divisible by 7 is k = 4.

 Required number = (90 x 4) + 4   = 364.

53 / 146

In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:

54 / 146

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

55 / 146

Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

56 / 146

Find the area of a parallelogram with height and breadth given to be 11 cm and 12  cm, respectively.

57 / 146

In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

58 / 146

Which of the following has the most number of divisors?

59 / 146

Evaluate: [9 + (12 ÷ (6 ÷ 3))] – 2

60 / 146

8888 m in Km can be written as:

61 / 146

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

62 / 146

Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.

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A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

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The area of a rhombus is 360 cm²  and one of the diagonals is 12 cm. Find the other diagonal.

65 / 146

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

66 / 146

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is  of the number of students of 8 years of age which is 48. What is the total number of students in the school?

67 / 146

A and B together have ₹ 1210. If  of A's amount is equal to  of B's amount, how much amount does B have?

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A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

69 / 146

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

70 / 146

The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

71 / 146

The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

72 / 146

The fourth proportional to 5, 8, 15 is:

73 / 146

Evaluate: 9 + 24 ÷ (12 ÷ 4)

74 / 146

Solve 45−(9÷a)45 – (9 ÷ a)45−(9÷a) when a=3a = 3a=3

75 / 146

Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

76 / 146

If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:

77 / 146

The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

78 / 146

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.

79 / 146

Calculate: (16 ÷ (8 ÷ 2)) + 1

80 / 146

14 – 6 ÷ 2 × 3

81 / 146

The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:

82 / 146

Find the radius of a circle whose circumference is given to be 95 cm (take pi= 3.14).

83 / 146

Find the highest common factor of 36 and 84.

84 / 146

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:

85 / 146

In an election between two candidates, one got 55% of the 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:

86 / 146

Find the breadth of a cuboid when the volume is given to be 64 m³ for length and height given as 8 m and 2 m, respectively.

87 / 146

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

88 / 146

What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

89 / 146

If Rs. 782 be divided into three parts, proportional to  :  : , then the first part is:

90 / 146

The area of a trapezium is 1240 m2. The distance between the two pairs of parallel sides is given to be 20 m. If the length of one of the parallel sides is 60 m, find the length of the other parallel side.

91 / 146

The number 0.125 can be written as fractions in lowest terms:

92 / 146

If one-third of one-fourth of a number is 15, then three-tenth of that number is:

93 / 146

Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

94 / 146

A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

95 / 146

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

96 / 146

Calculate: 12 – 4 × (6 – 2)

97 / 146

A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets ₹ 1000 more than D, what is B's share?

98 / 146

A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?

99 / 146

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

100 / 146

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

101 / 146

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

102 / 146

Simplify: [25 ÷ (10 – 4)] × 2

103 / 146

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

104 / 146

5.008 can be written in words as:

105 / 146

What is the place value of 2 in the given decimal 924.75?

106 / 146

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

107 / 146

If 20% of a = b, then b% of 20 is the same as:

108 / 146

A cuboidal box has its length, breadth and height given to be 10 cm, 5 cm and 15 cm, respectively. Find the total surface area for the cuboid

109 / 146

How many cubes with an edge length of 2 cm can fit inside a cuboid with dimensions of length, breadth and height given to be 8 m, 6 m, and 10 m, respectively?

110 / 146

Find the diameter of the circle whose area is given to be 113.04 m2 (take pi = 3.14)

111 / 146

Simplify (4×b−1)÷3(4 × b – 1) ÷ 3(4×b−1)÷3 for b=5b = 5b=5

112 / 146

The H.C.F. of 9 , 12 , 18 and 21 is:
10 25 35 40

113 / 146

Which of the following number can be placed in the tenth column if the given number is 297.35?

114 / 146

A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

115 / 146

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are:

116 / 146

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

117 / 146

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

118 / 146

Simplify: 12 – (3 × (7 – 4))

119 / 146

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

120 / 146

The sum of two number is 25 and their difference is 13. Find their product.

121 / 146

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?

122 / 146

The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:

123 / 146

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

124 / 146

36 ÷ (9 – 3) + 4

125 / 146

A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

126 / 146

Two tens and nine tenths in decimal form is given by:

127 / 146

Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?

128 / 146

If a=3a = 3a=3, solve 15+a×(5−2)15 + a × (5 – 2)15+a×(5−2)

129 / 146

A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?

130 / 146

Find the area of a rhombus whose diagonals are given to be of lengths 6 cm and 7 cm.

131 / 146

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

132 / 146

Which of the following is smaller?

133 / 146

Reduce 128352 to its lowest terms.
238368

134 / 146

Find the value of 9.756 – 6.28.

135 / 146

Find the value of 35 – 2.54.

136 / 146

4.19 m in cm can be written as:

137 / 146

Find the total surface area for a cube whose volume is given to be 512  m³.

138 / 146

Work out: 5 × [20 – (9 + 2)]

139 / 146

If A = x% of y and B = y% of x, then which of the following is true?

140 / 146

137 + 5/100 can be written in the decimal form as:

141 / 146

Find the perimeter of the largest circle that can fit inside a square with the side 7cm (take pi = 22/7).

142 / 146

The sum of 0.007 + 8.5 + 30.08 is:

143 / 146

The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:

144 / 146

Which of the following fraction is the largest ?

145 / 146

600 + 2 + 8/10 can be written in decimal form as:

146 / 146

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:

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