Question

A shopkeeper hqs 3 bundles of string 392m,308m,490m .what is the greatest length of string that the bundles can be cut up into without any left over string

Answer 1

Step-by-step explanation:

it means we need to find the hcf of 392,308,490

Answer 2

The greatest length of string possible =

HCF(392, 308, 490)

HCF= ?

392 = 7²×2³

308 = 7×11×2²

490= 7²×2×5

=> HCF = 7×2 m

=14 m