The cost of an article worth Rs. 100 is increased by 10% first and again increased by 10%. The total increase in rupees is :
A. 20
B. 21
C. 110
D. 121
Answer: Option B
Solution(By Examveda Team)
% increase = 10 + 10 + $$\frac{10 × 10}{100}$$ = 21%Total increase = $$\frac{100 × 21}{100}$$ = Rs. 21
This Question Belongs to Arithmetic Ability >> Percentage
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