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A man ate 100 grapes in 5 days. Each day, he ate 6 more grapes than those he ate on the earlier day. How many grapes did he eat on the first day ?
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- 8
- 12
- 54
- 76
Correct Option: A
Let number of grapes eaten on the first day be x.
∴ x + x + 6 + x + 12 + x + 18 + x + 24 = 100
⇒ 5x + 60 = 100
⇒ 5x = 100 – 60 = 40
| ⇒ x = | = 8 | |
| 5 |
