Question
The efficiency of P is 80% of the efficiency of Q. If Q
can type 150 pages in 30 days, then find the number of days taken by P alone to type 300 pages.Solution
ATQ, Number of pages typed by Q in 1 day = 150 ÷ 30 = 5
So, number of pages typed by P in 1 day = 5 × 0.8 = 4
So, time taken by P alone to type 300 pages = 300 ÷ 4 = 75 days
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