1 Crore+ students have signed up on EduRev. Have you? Download the App 
Which of the following statements are true?
I. If a positive number X is increased by 20% the resulting number would be 1.2X
II.If a positive number X is decreased by 20 % the resulting number would be 0.8X
III.32% of 24 is less than 24% of 32.
A positive number Y is first increased by 10% then decreased by 50% and then increased by 100%. The series of successive changes to Y is equivalent to a single change of
Restaurant A and Restaurant B decides to roll out a new plan which they believe will get them new customers. Restaurant A decides to give a 10% discount on the original bill amount, and then applies 15% tax on the discounted bill. Restaurant B, on the other hand applies a 15% tax on the original bill amount and then gives a 10% discount on the taxed bill.
If the original bill amount is same for both restaurants, which of the following must be true?
If 10 is 5 percent of 10 percent of a number, what is 25% of this number?
Karen bought items A, B and C from a supermarket for a total price of $1500. What was the price of item C?
(1) The money she spent to buy item A was 140% of the money she spent to buy the other two items
(2) Item B was 75% less expensive than item C
Tom’s salary has increased by 10% to $11,000. Mike’s salary has reduced by 5%. What is Mike’s current salary if his old salary was two times Tom’s old salary?
During a housing slump, the number of houses for sale increases by 50% every month. What is the percentage increase in the number of houses on sale after 3 months?
If the tuition fees of University A increased by 25% in four years to $100,000 in the year 2012, by what percent did the tuition fees of University B increase from 2008 to 2012?
(1) In the year 2008, the tuition fees of University A was 2.5 times the tuition fees of University B.
(2) In the year 2012, the tuition fees of University A is $30,000 more than the tuition fees of University B.
In her second attempt of a standardized test, Joan scored 20 percent higher than her first attempt. How much did she score in her second attempt?
(1) Joan scored 200 in her first attempt.
(2) The absolute difference between her two scores was 40 units.
If Rony’s team played 50% of the total 80 matches conducted in a tournament, what percentage of the matches played by Rony’s team did the team win? (Assume that win and loss are the only possible outcomes. None of the matches ended up in a tie.)
(1) Rony’s team won 60% of the first 30 matches played by them and also won all the remaining matches
(2) The number of matches won by Rony’s team is 133% more than the number of matches lost
Jack made a withdrawal from his savings account to fund a medical emergency. What was the percent decrease in his savings fund, if his savings fund post withdrawal will need to be increased by 25 percent to be restored to its initial amount?
The number of students in a class is 25, of which 40% are girls. How many more girls must be added in the class such that the percentage of girls is double the current percentage?
Last year country X won 15 gold medals in total 60 competitions. This year country X won only 5 gold medals in a total of 50 competitions. What is the percentage reduction in the percentage of gold medals won per competition this year vs last year?
129 videos132 docs146 tests

Test: Percentages 2 Test  20 ques 
Problem Set: Percentages Video  05:12 min 
Percentages Questions with Answers Doc  11 pages 
Percentages Doc  7 pages 
Fractions: Solved Examples Doc  4 pages 
129 videos132 docs146 tests

Test: Percentages 2 Test  20 ques 
Problem Set: Percentages Video  05:12 min 
Percentages Questions with Answers Doc  11 pages 
Percentages Doc  7 pages 
Fractions: Solved Examples Doc  4 pages 