Multiple choice

Twenty women together can complete a work in 16 days. 16 men together can complete the same work in 15 days. The ratio of the working capacity of a woman to that of a man is - 20 औरतें एक काम को 16 दिनों में पूरा कर सकती हैं। 16 आदमी उसी काम को 15 दिनों में पूरा कर सकते हैं। एक महिला और एक पुरुष की कार्यक्षमता में क्रमशः अनुपात है -

  1. 4 : 3

  2. 3 : 4

  3. 3 : 5

  4. 5 : 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

20 women complete work in 16 days, so 1 woman's rate = 1/(20×16) = 1/320 per day. 16 men complete same work in 15 days, so 1 man's rate = 1/(16×15) = 1/240 per day. Ratio woman:man = (1/320) : (1/240) = 240 : 320 = 3 : 4. The woman has 3/4 the working capacity of a man.

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