Question

In a box of electric bulbs, 12% are defective.If 176 bulbs are good, how many bulbs are defective?

Answer 1

Answer:

let total number of bulbs be x

number of defective bulbs=12x/100

number of good bulbs= x-12x/100

176=88x/100

x=200

so number of defective bulbs=12×200/100

=24