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Work done by a man in 1/2days = 1/6part Work done by a woman in 1/2days = 1/4part Work done by a boy in 1/2days = 1/12part Let one man and one woman together can do a piece of work in 1/2days = No. of x children required According to the question, 1/6 + 1/4+ 1/12= 1 (2 + 3 + x )/12 = 1 5 + x = 12 x = 12 – 5 = 7 Hence, 7 boys will be required.
How many persons attend the seminar between the one who uses BMW and U?
Who among the following lives exactly between the floors on which Pranav and Sohan live respectively?
Who among the following person attends the marriage in July?
Who among the following likes Dell?
Which among the following box is placed exactly between Box E and Box F?
Who sits between the person who study physics and the one who study French when counted from the right of the person study physics?
Which of the following box is kept at fourth from the top?
Which of the following is true regarding E?
Which of the following person likes Puma Shoes?
Who among the following person is the GM?