If the price of petrol is increased by 20% by what percentage should the consumption be decreased by the consumer, if the expenditure on petrol remain unchanged?

162/3%
62/3%
8%
15%

Correct Answer: 162/3%

Explanation:

Here, a = 20%
Required percentage loss = [a / (100 + a)] x 100%
= [20/(100 + 20)] x 100%
= (20/120) x 100%
= 16²/₃%

More Questions from Percentage

There are 1240 employee in an organization. Out of which, 25% are promoted. How many such employees are there who got promotion?
The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number
A water pipe is cut into two pieces. The longer piece is 70% of the length of the pipe. By how much percentage is the longer piece longer than the shorter piece?
The marked price of brand A watches is 15% higher than its original price. Due to increased in demand, the price is further increased by 10%. How much profit will be obtained in selling the watches?
In an examination, 25% students failed in mathematics 20% students failed in Mathematics, 20% failed in Economics and 5% failed in both. Find the percentage of students who passed in both the subjects.
If the numerator of a fraction is increased by 200% and the denominator of the fraction is increased by 150%, the resultant fraction is 9/35 .What is the original fraction.
Sahil got 45 marks in Hindi, 47 marks in Science, 49 marks in Mathematics, 45 marks in Social Science and 32 marks in English. The Maximum marks of each subject is 50. How much overall percentage of marks did he get?
A jogger desires to run a certain course in 1/4 less time than he usually takes. By What per cent must be increase his average running speed to accopplish the goal?
A students was awarded certain marks in an examination. However, after re-evaluation, his marks were reduced by 40% of the marks that were originally awards to him, so that the new score now became 96. How many marks did the student lose after re-evaluation?
An alloy of gold and silver weights 50g. It contains 80% gold. How much gold should be added to the alloy, so that percentage of gold is increased to 90?

Discussion & Comments

No comments yet. Be the first to comment!