Question

5. Find the least length of a rope which can be cut into whole number of pieces of lengths 45 cm, 75 cm
and 81 cm.

Answer 1

Since the lenght of the rope should be minimum  Let the rope is cut into the length of  45cm 1 piece  75cm 1 piece 81cm 1 piece Hence total length minimum  45cm +75+81=201cm

Answer 2

Solve:
45+75=120cm
Cut= (120-81)cm
= 39cm ans.
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