Q41
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%
AnswerC.
15%
D.
9.09%
Answer: Option B
Solution
Answer: Option B
Solution:
Time × Rate = total charges 100 × 100 = 10000
X × 125 = 110 [25% increase in rate, user can afford only 10% increase]
X = = 88%
Thus, decrease in time = 12%