जॉइन Examsbookउत्तर : 2. "18"
28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days?5
प्र: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days?
- 116false
- 218true
- 319false
- 421false
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उत्तर : 2. "18"
व्याख्या :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.