Question

Out of a number of electronic items, Rohit purchases 60% colored T.Vs. 5% of these are found to be defective. The percentage of defective T.Vs is :

Please explain how this is to be solved.

Answer 1

let the total number of TVs be X
no of TVs Rohit purchased = (60*X)/100 = 0.6X
no of defective TVs = 5% of bought TVs = (0.6X)*5/100 = 3X/100 = 0.03X = 3% of TVs