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

Problems on H.C.F and L.C.M
LCM of 455, 117, 338 is:

10670
106470
104670
107470

ANSWER DOWNLOAD EXAMIANS APP

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

5.2 min
5.5 min
5 min
None

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Product of two co-prime numbers is 117. Their L.C.M should be:

117
1
Cannot be calculated
equal to their H.
F

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
A room is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the room?

117
110
96
124

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Find the largest number which divides 62, 132 and 237 to leave the same remainder in each case.

35
48
52
22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Required number =  H.C.F. of (132 - 62), (237 - 132) and (237 - 62)                                      =  H.C.F. of 70, 105 and 175 = 35.

Problems on H.C.F and L.C.M
14. The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is?

1267
68
1261
1265

ANSWER DOWNLOAD EXAMIANS APP
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