Q. |
Karan can complete a piece of work in 30 days. Rajan is 50% more efficient than Karan. In how many days can Rajan complete the work? |
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A. 60 |
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B. 15 |
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C. 20 |
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D. 10 |
Karan can complete a piece of work in 30 days. Rajan is 50% more efficient than Karan.
Let the efficiency of Karan = 2
Efficiency of Rajan = 3
We know, E1D1 = E2D2 (Read the concepts and watch the video of this concept)
2 × 30 = 3 × x
x = 20