The charges per hour of internet surfing is increased by 25% then find the percentage decrease in the time period of surfing user (a net savy) who can afford only 10% increase in expenditure:
A. 22%
B. 12%
C. 15%
D. 9.09%
Answer: Option B
Solution(By Examveda Team)
Time × Rate = total charges 100 × 100 = 10000 X × 125 = 110 [25% increase in rate, user can afford only 10% increase] X = $$\frac{{110}}{{125}} \times 100$$ = 88% Thus, decrease in time = 12%This Question Belongs to Arithmetic Ability >> Time And Work
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