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MCQOPTIONS
This section includes 285 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The smallest number, which when diminished by 3, is divisible by 21, 28, 36 and 45 is ? |
| A. | 420 |
| B. | 1257 |
| C. | 1260 |
| D. | 1263 |
| Answer» E. | |
| 52. |
The number of prime factors in 2 |
| A. | 3 |
| B. | 1107 |
| C. | 1110 |
| D. | 1272 |
| Answer» D. 1272 | |
| 53. |
The H.C.F and L.C.M of two number are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is ? |
| A. | 33 |
| B. | 66 |
| C. | 132 |
| D. | 264 |
| Answer» D. 264 | |
| 54. |
The LCM of two number is 48. The number are in the ratio of 2:3. Find sum of the numbers. |
| A. | 28 |
| B. | 32 |
| C. | 40 |
| D. | 64 |
| Answer» D. 64 | |
| 55. |
Find the greatest possible length which can be used to measure 4 m 3 cm, 4 m 34 cm and 4 m 65 cm exactly. |
| A. | 31 cm |
| B. | 29 cm |
| C. | 28 cm |
| D. | 32 cm |
| Answer» B. 29 cm | |
| 56. |
What is the greatest number that will divide 2930 and 3246 that will leave 7 as remainder in each case. |
| A. | 79 |
| B. | 89 |
| C. | 69 |
| D. | 97 |
| Answer» B. 89 | |
| 57. |
The numbers 11284 and 7655 when divided by a number of three digit, leave the same remainder. Find the number of three digits. |
| A. | 292 |
| B. | 219 |
| C. | 119 |
| D. | 191 |
| Answer» E. | |
| 58. |
If a number is exactly divisible by 11 and 13, which of the following types the number must be? |
| A. | Divisible by (11 + 13) |
| B. | Divisible by (13 - 11) |
| C. | Divisible by (11 x 13) |
| D. | Divisible by (13 11) |
| E. | None of the above |
| Answer» D. Divisible by (13 11) | |
| 59. |
The LCM of two numbers is 48. The numbers are in the ratio of 2 : 3. Find the sum of the numbers. |
| A. | 28 |
| B. | 32 |
| C. | 40 |
| D. | 64 |
| Answer» D. 64 | |
| 60. |
The HCF of three numbers is 23. If they are in the ratio of 1 : 2 : 3, then find the numbers ? |
| A. | 69, 15, 22 |
| B. | 23, 46, 69 |
| C. | 25, 31, 41 |
| D. | 23, 21, 35 |
| Answer» C. 25, 31, 41 | |
| 61. |
The HCF and LCM of two numbers m and n are respectively 6 and 210. If m + n = 72, then 1/m + 1/n is equal to |
| A. | 1/35 |
| B. | 3/35 |
| C. | 5/37 |
| D. | 2/35 |
| Answer» E. | |
| 62. |
The ratio of two numbers is 5 : 6 and their LCM is 480, then their HCF is |
| A. | 20 |
| B. | 16 |
| C. | 6 |
| D. | 5 |
| Answer» C. 6 | |
| 63. |
The H.C.F of two numbers is 12 and their difference is also 12. The number are ? |
| A. | 66, 78 |
| B. | 70, 82 |
| C. | 94, 106 |
| D. | 84, 96 |
| Answer» E. | |
| 64. |
H.C.F of three numbers is 12. If they be in the ratio 1: 2: 3, the numbers are ? |
| A. | 12, 24, 36 |
| B. | 10, 20, 30 |
| C. | 5, 10, 15 |
| D. | 4, 8, 12 |
| Answer» B. 10, 20, 30 | |
| 65. |
L. C . M of 2/7, 3/14 and 5/ 3 is ? |
| A. | 45 |
| B. | 35 |
| C. | 30 |
| D. | 25 |
| Answer» D. 25 | |
| 66. |
Which of the fractions 1/2, 3/7, 3/5, 4/9 is the smallest ? |
| A. | 4/9 |
| B. | 3/5 |
| C. | 3/7 |
| D. | 1/2 |
| Answer» D. 1/2 | |
| 67. |
Which of the following is in descending order ? |
| A. | 3/5, 5/7, 7/9 |
| B. | 7/9, 5/7, 3/5 |
| C. | 5/7, 7/9, 3/5 |
| D. | 7/9, 3/5, 5/7 |
| Answer» C. 5/7, 7/9, 3/5 | |
| 68. |
H.C.F of 42, 63 and 140 is ? |
| A. | 14 |
| B. | 9 |
| C. | 21 |
| D. | 7 |
| Answer» E. | |
| 69. |
H.C.F of 1/2, 2/3, 3/4, 4/5 is ? |
| A. | 1 |
| B. | 12 |
| C. | 4/5 |
| D. | 1/60 |
| Answer» E. | |
| 70. |
If the product of three consecutive numbers is 210 then sum of the smaller number is : |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 11 |
| Answer» E. | |
| 71. |
The number between 4000 and 5000 that is divisible by each of 12, 18, 21 and 32 is |
| A. | 4023 |
| B. | 4032 |
| C. | 4302 |
| D. | 4203 |
| Answer» C. 4302 | |
| 72. |
A number between 1000 and 2000 which when divided by 30, 36 and 80 gives a remainder 11 in each case is |
| A. | 1451 |
| B. | 1641 |
| C. | 1712 |
| D. | 1523 |
| Answer» B. 1641 | |
| 73. |
The smallest five digit number which is divisible by 12,18 and 21 is : |
| A. | 10224 |
| B. | 30256 |
| C. | 10080 |
| D. | 50321 |
| Answer» D. 50321 | |
| 74. |
Let p be the smallest number, which when added to 2000 makes the resulting number divisible by 12, 16, 18 and 21. The sum of the digits of p is |
| A. | 7 |
| B. | 5 |
| C. | 6 |
| D. | 4 |
| Answer» B. 5 | |
| 75. |
H.C.F. of 1485 and 4356 is ? |
| A. | 189 |
| B. | 89 |
| C. | 99 |
| D. | 83 |
| Answer» D. 83 | |
| 76. |
The largest number , which exactly divides 210, 315, 147 and 168 is ? |
| A. | 3 |
| B. | 7 |
| C. | 21 |
| D. | 4410 |
| Answer» D. 4410 | |
| 77. |
L.C.M of 3/4, 6/7, 9/8 is ? |
| A. | 18 |
| B. | 3 |
| C. | 3/56 |
| D. | 9/28 |
| Answer» B. 3 | |
| 78. |
H.C.F . of 1/2, 3/4, 5/6, 7/8, 9/10 is ? |
| A. | 1/2 |
| B. | 1/10 |
| C. | 9/120 |
| D. | 1/120 |
| Answer» E. | |
| 79. |
L.C.M of 3 |
| A. | 12 |
| B. | 48 |
| C. | 432 |
| D. | None of these |
| Answer» D. None of these | |
| 80. |
L.C.M of 87 and 145 is ? |
| A. | 870 |
| B. | 1305 |
| C. | 435 |
| D. | 1740 |
| Answer» D. 1740 | |
| 81. |
The Product of two whole numbers is 1500 and their HCF is 10, Find the LCM. |
| A. | 15000 |
| B. | 150 |
| C. | 1500 |
| D. | 15 |
| E. | None of the above |
| Answer» C. 1500 | |
| 82. |
The least number which should be added to 2497, so that the sum is exactly divisible by 5, 6, 4 and 3, is |
| A. | 3 |
| B. | 13 |
| C. | 23 |
| D. | 33 |
| E. | None of the above |
| Answer» D. 33 | |
| 83. |
The least number which when divided by 12,16 and 18 leaves 5 as remainder in each case. Find the number. |
| A. | 139 |
| B. | 144 |
| C. | 149 |
| D. | 154 |
| E. | None of the above |
| Answer» D. 154 | |
| 84. |
In finding the HCF of two numbers by division method, the last divisor is 18 and quotients are 2, 7 and 3. Find the numbers. |
| A. | 639 and 846 |
| B. | 369 and 864 |
| C. | 396 and 846 |
| D. | None of these |
| Answer» D. None of these | |
| 85. |
In finding the HCF of two numbers by division method, the last divisor is 49 and the quotients are 17, 3, 2. Find the two numbers. |
| A. | 243 and 4929 |
| B. | 343 and 5929 |
| C. | 334 and 5992 |
| D. | None of these |
| Answer» C. 334 and 5992 | |
| 86. |
Find the least multiple of 23, which when divided by 18, 21 and 24 leaves the remainder 7, 10 and 13 respectively. |
| A. | 3013 |
| B. | 3024 |
| C. | 3002 |
| D. | 3036 |
| Answer» B. 3024 | |
| 87. |
The least number to be subtracted from 36798 to get a number which is exactly divisible by 78 is |
| A. | 18 |
| B. | 60 |
| C. | 38 |
| D. | 68 |
| Answer» C. 38 | |
| 88. |
The LCM of two multiples of 12 is 1056. If one of the number is 132, the other number is |
| A. | 12 |
| B. | 72 |
| C. | 96 |
| D. | 132 |
| Answer» D. 132 | |
| 89. |
The LCM of two positive integers is twice the larger number. The difference of the smaller number and the GCD of the two numbers is 4. The smaller number is : |
| A. | 12 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» D. 10 | |
| 90. |
If the HCF and LCM of two consecutive (positive) even numbers be 2 and 84 respectively, then the sum of the numbers is |
| A. | 30 |
| B. | 26 |
| C. | 14 |
| D. | 34 |
| Answer» C. 14 | |
| 91. |
The greatest number, that divides 122 and 243 leaving respectively 2 and 3 as remainders, is |
| A. | 12 |
| B. | 24 |
| C. | 30 |
| D. | 120 |
| Answer» E. | |
| 92. |
The sum of two numbers is 216 and their HCF is 27. How many pairs of such numbers are there? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» C. 3 | |
| 93. |
The product of the LCM and the HCF of two numbers is 24. If the difference of the numbers is 2, then the greater of the number is |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 94. |
The H.C.F. of two numbers, each having three digits , is 17 and their L.C.M. is 714. The sum of the numbers will be : |
| A. | 289 |
| B. | 391 |
| C. | 221 |
| D. | 731 |
| Answer» D. 731 | |
| 95. |
The sum of two numbers is 45. Their difference is 1/9 of their sum. Their L.C.M. is |
| A. | 200 |
| B. | 250 |
| C. | 100 |
| D. | 150 |
| Answer» D. 150 | |
| 96. |
The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 97. |
The sum of the H.C.F. and L.C.M of two numbers is 680 and the L.C.M. is 84 times the H.C.F. If one of the number is 56, the other is : |
| A. | 84 |
| B. | 12 |
| C. | 8 |
| D. | 96 |
| Answer» E. | |
| 98. |
The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the number is 93, then the other number is |
| A. | 124 |
| B. | 128 |
| C. | 134 |
| D. | 138 |
| Answer» B. 128 | |
| 99. |
Find the greatest possible length which can be used to measure 4m 3cm, 4m 34cm and 4m 65cm exactly. |
| A. | 31 cm |
| B. | 29 cm |
| C. | 28 cm |
| D. | 32 cm |
| Answer» B. 29 cm | |
| 100. |
Which of the following fractions is the greatest of all ? 7/8, 6/7, 4/5, 5/6 ? |
| A. | 6/7 |
| B. | 4/5 |
| C. | 5/6 |
| D. | 7/8 |
| Answer» E. | |