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

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?

68
1265
1261
1267

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:

1
Cannot be calculated
equal to their H.
F
117

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Find the H.C.F of 204, 1190 and 1445?

34
85
204
17

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The H.C.F. of two numbers is 12 and their difference is 12. The numbers are:

66, 78
84, 96
70, 82
94, 106

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What will be the LCM of 8, 24, 36 and 54

216
444
345
112

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

LCM of 8-24-36-54 will be2*2*2*3*3*3 = 216

Problems on H.C.F and L.C.M
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

268
689
432
1015

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Required number = (L.C.M. of 12,16, 18, 21, 28) + 7= 1008 + 7= 1015

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