Multiple choice general knowledge

A fisherman was asked how long was the fish he had caught. He said "it is 30cms plus half its length" How long was the fish

  1. 30

  2. 35

  3. 40

  4. 45

  5. 50

  6. 60
Reveal answer Fill a bubble to check yourself
F Correct answer
Explanation

Let the fish length be L. According to the fisherman: L = 30 + (L/2). Solving: L - L/2 = 30, so L/2 = 30, therefore L = 60cm. We can verify: half of 60 is 30, and 30 + 30 = 60.

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