Question
'Y' is 36% less efficient compared to 'X'. If 'X'
requires 86.4 days to finish a task, determine how many days 'Y' will take to complete the same task.Solution
ATQ,
Let the efficiency of 'X' be '100e' units/days. Efficiency of 'Y' = 0.64 X 100e = '64e' units/days Ratio of efficiency of 'Y' and 'X', respectively = 64e:100e = 16:25 So, ratio of time taken by 'Y' and 'X', respectively = 25:16 Therefore, required time = (86.4/16) × 25 = 135 daysÂ
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