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The cost of an article worth Rs 100 is increased by...

This question belongs to Arithmetic Ability Percentage
Percentage
?

The cost of an article worth Rs. 100 is increased by 10% first and again increased by 10%. The total increase in rupees is :

Answer & Solution
Correct Answer: Option B
% increase = 10 + 10 + $$\frac{10 × 10}{100}$$  = 21%
Total increase = $$\frac{100 × 21}{100}$$  = Rs. 21
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