The price of petrol is increased by 25%. By how much percent a car owner should reduce his consumption of petrol so, that expenditure on petrol would not increase?
- 35%
- 20%
- 25%
- None of these
Explanation
Price ↑ 25% → Multiply consumption by (1 - x/100) to keep expenditure same.
Solve: 1.25 × (100 - x) = 100 → x = 20%.
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اس سوال کو وضاحت کے ساتھ پڑھیں
- 20%
- 25%
- 30%
- 15%
اس سوال کو وضاحت کے ساتھ پڑھیں
- Rs. 55,000
- Rs. 60,000
- Rs. 65,000
- Rs. 70,000
اس سوال کو وضاحت کے ساتھ پڑھیں
- Rs. 2,150
- Rs. 2,250
- Rs. 2,300
- Rs. 2,350
اس سوال کو وضاحت کے ساتھ پڑھیں
- 112.5
- 112.6
- 112.7
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
