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وارد شوید

Mathematics for IGCSE & O level - Percentages (Section 1 - No. 22)

What is the result of increasing a number by 10% and then decreasing it by 10%?
The number is unchanged
The number increases
The number decreases
The number doubles

توضیح

Decreasing the number by 10% after increasing it by 10% yields a number less than the original.

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