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To work the answer out from the question, we observe that:

1÷2 + 1÷4 + 1÷5 = 19÷20

and we know that there were 49 coins left, so 1÷20 of the collection is 49 coins.

Which means that the entire collection is 20 x 49 = 980 coins.

Puzzle 4

What is represented by this BrainBat?

DEEF

[Ref: ZBBJ]

Hint: Say what you see.

Answer: Feedback.

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