Question

Q.7. If the price of petrol falls down by 10%. By how much % must a taxi driver increases its consumption
so as not to decrease his expenditure on petrol?
Sol. Here p = 10​

Answer 1

Step-by-step explanation:

Let the initial price of petrol be Rs.x

Then price after increase of 10%=Rs.110

Now, reduction in consumption of petrol in present =[{(110-100)}*100]/110

=(10*100)/110

=100/11

=9.09%