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in Aptitude by (79.8k points)

To complete a piece of work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time will B take to do it? 

(a) 30 days 

(b) 35 days 

(c) 40 days 

(d) 45 days

1 Answer

+1 vote
by (71.7k points)
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Best answer

Correct option (a) 30 days

Explanation: 

efficiency of work = 2 : 3 (Time and efficiency inversely proportion to each other)

Total work = 18days ×(2+3) unit = 90 unit

B Completes the work 

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