-
Working 8 hours a day, Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days ?
-
- 12 hours
- 10 hours
- 11 hours
- 13 hours
Correct Option: A
| ⇒ | = | |||
| 18 | x |
where x is hours/days
⇒ 12x = 18 × 8
| ⇒ x = | = 12 hours | 12 |
Aliter : Using Rule 1,
Here, M1 = 1, D1= 18, T1 = 8
M2 = 1, D2 = 12, T2 = ?
M1D1T1 = M2D2T2
1 × 18 × 8 = 1 × 12 × T2
| T2 = | = 12 hours | 12 |
