Question

19.
The price of a car is increased by 20% and 25% in two successive months. By how many percent
should it decrease to restore the original price?
1) 45% 2) 50%
3) 35%
4) 33.33% 5) None of these​

Answer 1

Answer:

45 percent

Step-by-step explanation:

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Answer 2

Answer:

4) 33.33%

Step-by-step explanation:

Let price of the car =  Rs. 100

20% increase of Rs.100 is Rs 120.

25% increase of Rs 120 is Rs. 150. ($\frac{1}{4}$×120 = 30 + 120 = 150)

Decrease% from 150 to 100 is:

$\frac{50}{150}$ ×100 = 33.33%