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

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
The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

45 cm
55 cm
35 cm
25 cm

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Required length = H.C.F. of 700 cm, 385 cm and 1295 cm = 35 cm.

Problems on H.C.F and L.C.M
Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?

34
38
42
56

ANSWER DOWNLOAD EXAMIANS APP

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

112
345
444
216

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
14. The least number which when diminished by 7 is divisible by 21, 28, 36 and 45 is?

1265
68
1267
1261

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
HCF of 3/16, 5/12, 7/8 is:

1/48
3/47
5/48
2/47

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Problems on H.C.F and L.C.M

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