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Let the efficiency of each man be '2x' units/day So, total work = 2x X 12 X 15 = '360x' units And efficiency of a child = 2x ÷ 2 = 'x' units/day So, required time = (360x X 0.6) ÷ (8 X x) = 27 days Hence, option a.
A’s mother is the mother – in – law of father of C. C is brother of B while A is father of M. How is A related to C?
If V is married to M then how is V related to the daughter of H?
Pointing to a boy, Priyanka said, "He is my husband's only daughter's father's
father-in- law's son's son". How the father of the boy related to Priyanka?
If P+Q means ‘P is the daughter of Q’, P-Q means ‘P is the wife of Q’, P×Q means ‘P is the father of Q’, P÷Q means ‘P is the son of Qâ€...
How is I related to the sibling of E?
Who among the following person is the mother of D?
Who is the brother of F?
How is X related to Z?
How is uncle of S related to N?
How is F related to D?