Problems on L.C.M and H.C.F - Data Intensity 1 Multiple Questions and Answers.




26.Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?
A. 5 min
B. 5.5 min
C. 5.2 min
D. None

27.Find the least number of five digits which is exactly divisible by 12, 15 and 18?
A. 1080
B. 10080
C. 10025
D. 11080

28.The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is___?
A. 1994
B. 1494
C. 1349
D. 1496

29.A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is___?
A. 31
B. 41
C. 51
D. 61

30.The smallest number when increased by ” 1 ” is exactly divisible by 12, 18, 24, 32 and 40 is____?
A. 1439
B. 1440
C. 1459
D. 1449

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