what will be the least possible number of planks , if three pieces of timber 42m,49m and 63m long have to be divided into planks of same length
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22m is the length to divide it into planks of same length
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Answer:
We will get 22 planks.
Step-by-step explanation:
HCF of 42,49,63 is 7
so for 42 there will be 42/7=6
from 49 there will be 49/7=7
from 63 there will be 63/7=9
total no of planks 6+7+9=22 ans
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