Problems on L.C.M and H.C.F in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)
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41. The wheels revolve round a common horizontal axis. They make 15, 20 and 48 revolutions in a minute respectively. Starting with a certain point on the circumference down wards. After what interval of time will they come together in the same position?
- 2 min
- 1 min
- 3 min
- None
42. What is the least number which when divided by 8, 12, 18 and 24 leaves the remainders 4, 8, 14 and 20 respectively?
- 78
- 68
- 58
- None
43. Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?
- 420
- 515
- 518
- 435
44. Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?
- 9664
- 9654
- 9864
- 9666
