Question

Three puces of timber 420 son and 63m long have
divided into plants of the som length.
What is the greatest presible length of toch
each planh? give me answers in detale​

Answer 1

First we will FIND HCF of 42,49 and 63 which is 7

Now ,

dividing all three pieces by 7 , we get

1st piece- 42/ 7 = 6

2nd piece- 49/7 = 7

3rd piece- 63/7 = 9

Now, adding the sums of three pieces , we get

6+7+9 = 22

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Answer 2

Answer:

Firstly we will find HCF of 42,49,63 which is 7

NOW , divide 42,49,63 with 7

42/7=6

49/7= 7

63/7= 9

Add 6+7+9

Sum of 6+7+9= 22