Math, asked by sweeti2342, 1 month ago

using the concept of HCF,find the length of the plank which can be used to measure excatly the lenghts 450cm ,990cm and 1620cm in the least time.

Answers

Answered by Yuvaaaaa

1

Step-by-step explanation:

the answer will be the HCF of 450, 990 and 1620

That is:

=> 5*2*3*3

=> 90 cm

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