Question

There are 126 bags in a row . It is observed that starting from the first bag, every third bag has a blue ball, every sixth bag has a green ball and every seventh bag has a red ball . Find how many bags will contain all 3 balls .

PLEASE SHOW HOW TO SOLVE ALSO IF YOU CAN!

Answer 1

Since every third bag has blue ball and every sixth bag has a green ball and every seventh bag has a red ball. So, this shows that there are three bags namely 42, 84 and 126 that contains all the three balls

Answer 2

Answer:

since every third bag has blue ball,every sixth bag has green ball and every seventh bag has red ball

LCM of 3 ,6,and 7 = 42

This show that the bags at no. 42 , 84 and 126 contain all the three balls

hope it helps