Indian Institute of Foreign Trade 2016 Solved Paper

Question : 9 of 123

Marks: +1, -0

In the marketing management course of an MBA programme, you and your roommate can complete an assignment in 30 days. If you are twice as efficient as your roommate, the time required by each to complete the assignment individually is

45 days and 90 days
30 days and 60 days
40 days and 120 days
45 days and 135 days

Validate

Solution:

(a) If I do 2 units per day, my roommate will do 1 unit perday.
Together we do 3 units per day.
Since, we take 30 days to finish the complete work, so total work must be 30

\times

3 = 90 units. Now working @ 2 units/day, I will take 45 days for 90 units and my roommate will take 90 days.

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