Question

1.Word Problem of LCM
a) Three bells ring at the intervals of 10, 15 and 20 minutes respectively. If they all ring at 10:00 a.m. at once, at what time will they ring together again ?
b) Three measuring tapes are 24 m, 32 m and 48 m long. Find the shortest length that can be measured exactly by any one of these tapes.


2. Find the H.C.F. of the following numbers by factorization method.
a) 12, 16
b) 18, 24
c) 42, 56
d) 54, 72
e) 63, 105, 147
f) 90, 150, 180

Answer 1

Answer:

find LCM

Step-by-step explanation:

12,16 lcm is 48.

18,24 LCM is 72 .

it's helpful answer.

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