Two successive price increases of 10% each on an article are equivalent to a single price increase of :
A. 19%
B. 20%
C. 21%
D. 22%
Answer: Option C
Solution(By Examveda Team)
Let the original price be Rs. $$x$$New final price :
= 110% of (110% of Rs. 100)
= Rs. $$\left( {\frac{{110}}{{100}} \times \frac{{110}}{{100}} \times 100} \right)$$
= Rs. 121
∴ Total increase :
= (121 - 100)%
= 21%
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B. $$\frac{1}{3}$$
C. $$\frac{1}{2}$$
D. $$\frac{2}{3}$$
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