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The price of 10% increased of an article of ₹ 100, then again 10% increased the price. How much is increased in total price.

20
21
110
121

Correct Answer: 21

Explanation:

10% of 100 = 10
New price = 110
Again, 10% of 110 = 110 x (10/100) = 11
New price = 110 + 11 = 121
∴ Required increment = 121 - 100 = 21

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