How much does a watch lose per day, if its hands coincide every 64 minutes?
Question: How much does a watch lose per day, if its hands coincide every 64 minutes?
[A].
90 min.
96 min.
[A].
| 32 | 8 | min. |
| 11 |
[B].
| 36 | 5 | min. |
| 11 |
[C].
[D].
Answer: Option A
Explanation:
55 min. spaces are covered in 60 min.
| 60 min. spaces are covered in | 60 | x 60 | min. | = 65 | 5 | min. | |
| 55 | 11 |
| Loss in 64 min. = | 65 | 5 | – 64 | = | 16 | min. | ||
| 11 | 11 |
| Loss in 24 hrs = | 16 | x | 1 | x 24 x 60 | min. | = | 32 | 8 | min. | |
| 11 | 64 | 11 |