MCQOPTIONS
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| 1. |
A 100 m long 3 m high and 30 cm wide wall is built by 30 men, 20 women and 50 children working 9 hours a day in 20 days. How long a wall 1.5 m high 30 cm wide can be built by 15 men, 25 women and 35 children working 2 hour a day in 15 days (given men, women and children are equally efficient)? |
| A. | 75 m |
| B. | 25 m |
| C. | 50 m |
| D. | 100 m |
| E. | 125m |
| Answer» C. 50 m | |