Question

There are some coloured balls in a bag in the ratio 4:9:7 . If the bag contain 1000 balls. Find no. Of balls. Find no. Of balls of each type

Answer 1

Answer:

let 4,9 and 7 be 4x,9x and 7x

4x+9x+7x=1000

20x=1000

x=1000/20=50

so,4=4*50=200

9=9*50=450

7=7*50=350