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MCQOPTIONS
This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: |
| A. | 28 |
| B. | 32 |
| C. | 40 |
| D. | 64 |
| Answer» D. 64 | |
| 2. |
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: |
| A. | 504 |
| B. | 536 |
| C. | 544 |
| D. | 548 |
| Answer» E. | |
| 3. |
252 can be expressed as a product of primes as: |
| A. | 2 x 2 x 3 x 3 x 7 |
| B. | 2 x 2 x 2 x 3 x 7 |
| C. | 3 x 3 x 3 x 3 x 7 |
| D. | 2 x 3 x 3 x 3 x 7 |
| Answer» B. 2 x 2 x 2 x 3 x 7 | |
| 4. |
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: |
| A. | 28 |
| B. | 32 |
| C. | 40 |
| D. | 64 |
| Answer» D. 64 | |
| 5. |
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: |
| A. | 504 |
| B. | 536 |
| C. | 544 |
| D. | 548 |
| Answer» E. | |
| 6. |
252 can be expressed as a product of primes as: |
| A. | 2 x 2 x 3 x 3 x 7 |
| B. | 2 x 2 x 2 x 3 x 7 |
| C. | 3 x 3 x 3 x 3 x 7 |
| D. | 2 x 3 x 3 x 3 x 7 |
| Answer» B. 2 x 2 x 2 x 3 x 7 | |
| 7. |
The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is: |
| A. | 15 cm |
| B. | 25 cm |
| C. | 35 cm |
| D. | 42 cm |
| Answer» D. 42 cm | |
| 8. |
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: |
| A. | 75 |
| B. | 81 |
| C. | 85 |
| D. | 89 |
| Answer» D. 89 | |
| 9. |
Find the highest common factor of 36 and 84. |
| A. | 4 |
| B. | 6 |
| C. | 12 |
| D. | 18 |
| Answer» D. 18 | |
| 10. |
Which of the following has the most number of divisors? |
| A. | 99 |
| B. | 101 |
| C. | 176 |
| D. | 182 |
| Answer» D. 182 | |
| 11. |
The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is: |
| A. | 101 |
| B. | 107 |
| C. | 111 |
| D. | 185 |
| Answer» D. 185 | |
| 12. |
Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is: |
| A. | 40 |
| B. | 80 |
| C. | 120 |
| D. | 200 |
| Answer» B. 80 | |
| 13. |
The G.C.D. of 1.08, 0.36 and 0.9 is: |
| A. | 0.03 |
| B. | 0.9 |
| C. | 0.18 |
| D. | 0.108 |
| Answer» D. 0.108 | |
| 14. |
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: |
| A. | 279 |
| B. | 283 |
| C. | 308 |
| D. | 318 |
| Answer» D. 318 | |
| 15. |
The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is: |
| A. | 12 |
| B. | 16 |
| C. | 24 |
| D. | 48 |
| Answer» E. | |
| 16. |
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is: |
| A. | 1008 |
| B. | 1015 |
| C. | 1022 |
| D. | 1032 |
| Answer» C. 1022 | |
| 17. |
252 can be expressed as a product of primes as: |
| A. | 2 x 2 x 3 x 3 x 7 |
| B. | 2 x 2 x 2 x 3 x 7 |
| C. | 3 x 3 x 3 x 3 x 7 |
| D. | 2 x 3 x 3 x 3 x 7 |
| Answer» B. 2 x 2 x 2 x 3 x 7 | |
| 18. |
Find the lowest common multiple of 24, 36 and 40. |
| A. | 120 |
| B. | 240 |
| C. | 360 |
| D. | 480 |
| Answer» D. 480 | |
| 19. |
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 |
| Answer» D. 33 | |
| 20. |
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 ? |
| A. | 26 minutes and 18 seconds |
| B. | 42 minutes and 36 seconds |
| C. | 45 minutes |
| D. | 46 minutes and 12 seconds |
| Answer» E. | |
| 21. |
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: |
| A. | 28 |
| B. | 32 |
| C. | 40 |
| D. | 64 |
| Answer» D. 64 | |
| 22. |
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: |
| A. | 504 |
| B. | 536 |
| C. | 544 |
| D. | 548 |
| Answer» E. | |
| 23. |
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 ? |
| A. | 4 |
| B. | 10 |
| C. | 15 |
| D. | 16 |
| Answer» E. | |
| 24. |
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: |
| A. | 276 |
| B. | 299 |
| C. | 322 |
| D. | 345 |
| Answer» D. 345 | |
| 25. |
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: |
| A. | 9000 |
| B. | 9400 |
| C. | 9600 |
| D. | 9800 |
| Answer» D. 9800 | |
| 26. |
The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is: |
| A. | 74 |
| B. | 94 |
| C. | 184 |
| D. | 364 |
| Answer» E. | |
| 27. |
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is: |
| A. | 123 |
| B. | 127 |
| C. | 235 |
| D. | 305 |
| Answer» C. 235 | |
| 28. |
Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case. |
| A. | 4 |
| B. | 7 |
| C. | 9 |
| D. | 13 |
| Answer» B. 7 | |
| 29. |
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: |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» B. 5 | |
| 30. |
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is: |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 31. |
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? |
| A. | 196 |
| B. | 630 |
| C. | 1260 |
| D. | 2520 |
| Answer» C. 1260 | |
| 32. |
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: |
| A. | 1677 |
| B. | 1683 |
| C. | 2523 |
| D. | 3363 |
| Answer» C. 2523 | |