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Problems on H.C.F and L.C.M

Problems on H.C.F and L.C.M
The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is:

70
90
46
10

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Problems on H.C.F and L.C.M
Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?

243 seconds
246 seconds
240 seconds
242 seconds

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Problems on H.C.F and L.C.M
Let the least number of six digits, which when divided by 4, 6, 10 and 15, leaves in each case the same remainder of 2, be N. The sum of the digits in N is:

5
4
6
3

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Problems on H.C.F and L.C.M
Reduce 4128/4386 to its lowest terms

13/18
16/17
14/13
13/17

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Problems on H.C.F and L.C.M
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?

515
435
420
518

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Problems on H.C.F and L.C.M
Find the least square number which is divisible by 10, 12, 15 and 18?

3600
900
2500
1600

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MORE MCQ ON Problems on H.C.F and L.C.M

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