Question

Out of $200$ newly inducted personals by a Multinational company, $25$% were IIT engineers and the rest were engineers from other colleges, $60$ were smokers and $30$% of the non-smokers were from IIT. .How many non-smokers were from IIT?

• A. $48$
• B. $42$
• C. $40$
• D. $32$

Answer 1

The correct option is B $42$

solution:

(25 % of 200 are iitians ) =50

number of smokers = 60

number of non smokers = 140

30% of 140 = iitans non smokers = 42

hence the correct option: B