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CAT
IMPORTANT
Earn 100

Sachin wanted to subtract 10 from a number. Unfortunately, he added 10 instead of subtracting. Find the percentage change in the result.

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Important Questions on Percentages

MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 19
In a mixture of 100 litres of milk and water, 25% of the mixture is milk. How much water should be added to the mixture, so that milk becomes 20% of the mixture?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 20
A landowner increased the length and the breadth of a rectangular plot by 20% and 30% respectively. Find the percentage change in the cost of the plot, assuming land prices are uniform throughout his plot.
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 21
The height of a triangle is increased by 30%. What can be the maximum percentage increase in length of the base, so that the increase in area is restricted to a maximum of 90%?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 22
The length, breadth and height of a room in the shape of a cuboid are increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of cuboid.
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 23
The salary of Ajay is 10% more than that of Vivek. Find by what percentage is the salary of Vivek less than that of Ajay?
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 24
The price of salt is reduced by 50% but, inspite of the decrease, Aayush ends up increasing his expenditure on salt by 50%. What is the percentage change in his monthly consumption of salt?
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 25
The price of wheat falls by 20%. How much wheat can be bought now with the money that was sufficient to buy 100 kg of rice previously?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 26
At an election, the candidate who got 60% of the votes cast won by 200 votes. Find the total number of voters on the voting list, if 66.67% people cast their vote and there were no invalid votes.