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To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shall B take to do it ?
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- 30 days
- 35 days
- 40 days
- 45 days
Correct Option: A
Using basics of Rule 2,
Let B alone can do the work in x days
| ∴ A can do the work in | days. | 2 |
According to the question,
| = | + | = | ||||
| x | 3x | 18 |
| ⇒ | = | |||
| 3x | 18 |
| ⇒ | = | |||
| 3x | 18 |
⇒ 3x = 18 × 5
| ⇒ x = | = 30 days | 3 |
