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Let total amount of work be 60 units (LCM of 15 and 20). Efficiency of ‘A’ = 60/15 = 4 units/day Efficiency of ‘B’ = 60/20 = 3 units/day Amount of work done by ‘A’ and ‘B’ together in 3 days = (4 + 3) × 3 = 21 units Time taken by B to complete remaining work = {(60 – 21)/3} = 13 days
Who among the following person sits third to the left of the one who likes Yellow Colour?
Who among the following likes black color?
Who among the following sits at extreme end of the row?
How is S related to W?
Which of the following statements is/are true?
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Who among the following like BLUE Color?
Who among the following sits diagonally opposite to X?
Who is sitting third to the left of Iti?