Question

if factory produces electric bulbs if 1 out of every 10 Bulbs is defected and the factory produces 630 bulbs per day find the number of defective bulbs produced each day

Answer 1

63 bulbs are found defected

Answer 2

if 1 bulb is defected in 10 so let no. Of defected bulb be x so,

1/10=x/630

,x=63