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Work done by a man in (1)/(2) days = (1)/(6 ) part Work done by a woman in (1)/(2) days = (1)/(4) part Work done by a boy in (1)/(2) days = (1)/(12) part Let one man and one woman together can do a piece of work in (1)/(2) days = No. of x children required According to the question, => (1)/(6) + (1)/(4) + (x)/(12) = 1 => (2 + 3 + x)/(12) = 1 => 5 + x = 12 => x = 12 – 5 = 7 Hence, 7 boys will be required.
F attends the exam on which of the following subjects?
How many persons attend the seminar between the one who uses BMW and U?
How many persons live below A (considering both types of flats)?
Which of the following box is kept at fourth from the top?
Who among the following likes Tissot?
Five persons S, T, U, V and W have different weights. T is the lightest person. U is heavier than V but lighter than W. S is lighter than V. Who among t...
Four of the following five are alike in a certain way as per the given arrangement and thus form a group. Who among the following one does not belong t...
If S and the person who have Yellow interchange their visiting days then how many persons likes after the person who have red colour?
Mahi works in which of the following shifts?
____ is kept two boxes below box A?