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Amit had to paint a wal. He painted 20% ...

Amit had to paint a wal. He painted `20%` of the wall. Ahmed came painted 75sq.m of the wall. If `55%` of the wall is left unpainted, how many square metres of the wall did Amit paint?

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The correct Answer is:
60 sq.m
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ICSE-PERCENTAGE, PROFIT AND LOSS-EXERCISE 9.1
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