Subject
Quantitative Aptitude
Topic
Percentage
The charges per hour playing game is increased by 25% then find the percentage decrease in time period of playing game for a player who can afford only a 10% increase in expenditure.
The charges per hour playing game is increased by 25% then find the percentage decrease in time period of playing game for a player who can afford only a 10% increase in expenditure.
ক)
10%খ)
24%গ)
12%ঘ)
18%ঙ)
None of theseExplanation
Let the player plays 1 hour per day and rate of playing game per hour is 1 rupee. Formula: Time × rate = total charges Total expenditure, when charges are not increased, ⇒ 1 × 1 = 1 rupees Now, he can spend 10% more on playing game, ∴ His expenditure New rate of playing game rupees/(hour), ∴ Total time for the person to play game = x (Let) \eqalign{ & \Rightarrow x \times 1.25 = 1.1 \cr & \Rightarrow x = \frac{{1.1}}{{1.25}} = 0.88\ hour. \cr} Percentage decrease in time = 12%Related questions
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