Discussion

Q.

Seeta can complete a work in 45 days. Geeta is 25% more efficient than Seeta. In how many days can they together complete the work?

A. 36

B. 40

C. 20

D. 48

Correct Option is C

Explanation:

Geeta is 25% more efficient than Seeta

Let the efficiency of Seeta = 4

Efficiency of Geeta = 5

E1D1 = E2D2

4 * 45 =  ( 4 + 5 ) * X

X = 20

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