-
A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is
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- 20 days
- 21 days
- 22 days
- 24 days
Correct Option: D
A is twice as good as B.
∴ Time taken by A = x days
Time taken by B = 2x days
According to the question,
| + | = | |||||
| x | 2x | 16 |
| ⇒ | = | |||
| 2x | 16 |
| ⇒ | = | |||
| 2x | 16 |
⇒ x = 3 × 8 = 24 days
