Multiple choice general knowledge math & puzzles

A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he ate on the first day?

  1. 7

  2. 9

  3. 8

  4. 10
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let first day = x. Total = x + (x+6) + (x+12) + (x+18) + (x+24) = 5x + 60 = 100, so 5x = 40, x = 8. This is an arithmetic progression problem with common difference 6.

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