Question
'A', 'B' and 'C', alone can do some work in 28 days, 35
days and 70 days, respectively. If they work together for wages of Rs. 6,600, then find the difference between shares of 'B' and 'C'.Solution
Ratio of time taken by 'A', 'B' and 'C' = 4:5:10 So, ratio of efficiency of 'A', 'B' and 'C' = (1/4):(1/5):(1/10) = 5:4:2 = Ratio of shares of 'A', 'B' and 'C', out of total wages Required difference = 6600 X {(4 - 2)/11} = Rs. 1200
Select the most appropriate meaning of the given word.
Pertinent
In the sentence identify the segment which contains the grammatical error.
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