जॉइन Examsbookउत्तर : 1. "20%"
The price of a car is increased by 25%, by how much percent, must the new price of this car be decreased to restore its original price ?5
प्र: The price of a car is increased by 25%, by how much percent, must the new price of this car be decreased to restore its original price ?
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उत्तर : 1. "20%"
व्याख्या :
Answer: A) 20% Explanation: Suppose that the original price of the car = Rs. x Then new price of the car => (x) + (x ×25/100) = Rs. 5x/4 To restore the original price, the new price must be decreased by 5x/4 − x = x/4 So required percentage =(x/4)/(5x/4) × 100% = 20%