A man, a woman and a boy can do a work in 6, 9 and 18 days respectively. How many boys must assist one man and one woman to do the work in 1 day?
Answer & explanation
Correct answer: option 1
A man, a woman and a boy can do a work in 6, 9 and 18 days respectively. How many boys must assist one man and one woman to do the work in 1 day?
Correct answer: option 1