Question
A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________?
Answer: Option B
WORK DONE BY 20 WOMEN IN 1 DAY = 1/16
WORK DONE BY 1 WOMAN IN 1 DAY = 1/(16×20)
WORK DONE BY 16 MEN IN 1 DAY = 1/15
WORK DONE BY 1 MAN IN 1 DAY = 1/(15×16)
RATIO OF THE CAPACITY OF A MAN AND WOMAN =1/(15×16) : 1/(16×20) = 1/15 : 1/20
= 1/3 :1/4 = 4:3
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WORK DONE BY 20 WOMEN IN 1 DAY = 1/16
WORK DONE BY 1 WOMAN IN 1 DAY = 1/(16×20)
WORK DONE BY 16 MEN IN 1 DAY = 1/15
WORK DONE BY 1 MAN IN 1 DAY = 1/(15×16)
RATIO OF THE CAPACITY OF A MAN AND WOMAN =1/(15×16) : 1/(16×20) = 1/15 : 1/20
= 1/3 :1/4 = 4:3
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