जॉइन Examsbookउत्तर : 1. "1 : 2"
If 6 men and 3 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time ?5
प्र: If 6 men and 3 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time ?
- 11 : 2true
- 22 : 1false
- 33 : 1false
- 41 : 3false
- उत्तर देखें
- Workspace
उत्तर : 1. "1 : 2"
व्याख्या :
Answer: A) 1 : 2 Explanation: 6M + 3B = 4(1M + 1B)6M + 3B = 4M + 4B2M = 1B M/B = 1/2