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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least |
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Answer» 60 The LEAST NUMBER of TREES that are REQUIRED = LCM(4, 5, 6) = 60. |
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| 52. |
What is the difference between the local values of 3 in the number 53403? |
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Answer» 2997 3000 – 3 = 2997 |
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| 53. |
A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: |
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Answer» 27 27 |
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| 54. |
What least number should be added to 8602 to make it a perfect square ? |
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Answer» 47 So, (93)² = 8649 |
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| 55. |
Which of the following number is divisible by 4 and 9? |
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Answer» 2736 For a NUMBER to be DIVISIBLE by 4, the number formed by the last two digits of that number MUST be divisible by 4. For a number to be divisible by 9, the sum of its digits must be divisible by 9. Among the choices, choices (a) and (b) are divisible by 4 but of the first two choices, only CHOICE (b) is divisible by 9. Hence choice (b) is divisible by both 4 and 9. |
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| 56. |
The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: |
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Answer» 12 Let the numbers be x and (22 - x). Then, 5x = 6(22 - x) 11x = 132 => x = 12 So, the numbers are 12 and 10. |
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| 57. |
If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? |
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Answer» 7/5 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.384 |
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| 58. |
Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? |
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Answer» x + y = 152 |
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| 59. |
Find the greatest number which divides 83, 125 and 209 leaving the same remainder in each case. |
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Answer» The greatest number which divides THREE dividends p, q and R leaving the same remainder in each case is given by H.C.F(any two of (q - p), (r - p) and (r - q)). For the given problem, p = 83, q = 125 and r = 209. Hence the greatest number which divides these three leaving the same remainder in each case is H.C.F(any two of (125 - 83, 209 - 83, 209 - 125) = 42. |
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| 60. |
The square root of 0.0081 is: |
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Answer» 0.09 0.09 |
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| 61. |
Find the least value of 3x + 4y if x2y3 = 6. |
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Answer» 10 10 |
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| 62. |
65 x 288 ÷ 52 = 1.8 x ? |
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Answer» ? = 65x288/52x1.8 = 200 |
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| 63. |
What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? |
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Answer» LCM of 10, 15, 25 = 150 |
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| 65. |
Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next? |
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Answer» 14 In this series, each number is REPEATED, then 13 is SUBTRACTED to ARRIVE at the NEXT number. |
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| 66. |
√343 = ? |
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Answer» ? = √343 = 18 |
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| 67. |
6.4 x 8.5 x 25/3.2 x 12.5 = ? |
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Answer» 3.4 ? = 6.4 X 8.5 x 2.5/3.2 x 12.5 = 3.4 |
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| 68. |
Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is |
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Answer» 85 85 |
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| 69. |
Which one of the following represents the sum of the first n even numbers? |
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Answer» N (N + 1) |
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| 70. |
If a number is subtracted from its square we get 272. Find the number? |
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Answer»
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| 71. |
A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? |
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Answer»
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| 72. |
When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? |
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Answer» 850 850 |
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| 73. |
A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? |
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Answer» Rs.100
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| 74. |
35%of ?=242 |
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Answer» 693 693 |
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| 75. |
What is the value of ? in the following equations ? 72/? = ?/50 |
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Answer» 60 (?)² = 72 X 50 |
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| 77. |
In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? |
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Answer» 55053
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| 78. |
Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. |
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Answer» 384 NA |
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| 79. |
What number should replace both the question marks (?) in the following question ? |
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Answer» 84 84 |
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| 80. |
Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next? |
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Answer» 15 This ALTERNATING addition series begins with 3; then 1 is ADDED to give 4; then 3 is added to give 7; then 1 is added, and so on. |
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| 81. |
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ? |
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Answer» 1292 A + B + C + D + E + F + G/7 = 36 |
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| 82. |
If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? |
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Answer»
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| 83. |
If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? |
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Answer» Let the NUMBERS be (X + 1) and x. |
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| 84. |
(12.11)2 + (?)2 = 732.2921 |
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Answer» 24.2 24.2 |
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| 85. |
Find the smallest number which should be multiplied with 520 to make it a perfect square. |
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Answer» NONE of these NA |
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| 86. |
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336 |
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Answer» 132 = 11 * 3 * 4 Clearly, 968 is not DIVISIBLE by 3 None of 462 and 2178 is divisible by 4 And, 5284 is not divisible by 11 Each one of the remaining four NUMBERS is divisible by each one of 4, 3 and 11. So, there are 4 such numbers. |
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| 87. |
17580 x 1.8 - 13720 x 2.1 = ? x 2.4 |
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Answer» 1180 2.4 X ? = 31644 - 28812 = 2832 |
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| 88. |
Complete the series : 1, 2, 3, 5, 8, 13 .... |
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Answer» 1 1 |
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| 89. |
(4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? |
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Answer» 30.52 ? = (4.6 X 2.8 x 5.5) - (3.2 x 4.5 x 2.8) |
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| 90. |
5358 * 51 = ? |
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Answer» 273258 = 5358 * 50 + 5358 * 1 = 267900 + 5358 = 273258 |
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| 91. |
The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: |
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Answer» 290/289 Let the NUMBERS be a and b. Then, So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289 |
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| 92. |
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? |
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Answer» Let the number be x. Then, 3(2x + 9) = 75 2x = 16 => x = 8 |
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| 93. |
Look at this series: 5.2, 4.8, 4.4, 4, ... What number should come next? |
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Answer» 3.6 In this SIMPLE SUBTRACTION SERIES, each NUMBER DECREASES by 0.4. |
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| 94. |
16.23 x 12.9 + 17.32 = ? |
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Answer» 226.687 ? = 16.23 X 12.9 + 17.32 |
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| 95. |
A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? |
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Answer» RS. 68
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| 97. |
7.8 x 4.5 x 4.2/0.14 = ? |
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Answer» 1053 7.8 X 4.5 x 4.2/0.14 |
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| 98. |
A number consists of two digits whose sum is 8. If 18 is subtracted from the number, the place of digits get interchanged. Find the number. |
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Answer» 53 Suppose the digit at unit's places is y and that at ten's places is X. |
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| 99. |
If 2^(2x-1) = 8^(3-x), then the value of x is: |
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Answer» 2 2 |
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| 100. |
Four-fifth of a number is 10 more than two-third of the same number. What is the number? |
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Answer» 75 75 |
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