Quizsummary
0 of 10 questions completed
Questions:
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
Information
CAT
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 10 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
 Not categorized 0%
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 Answered
 Review

Question 1 of 10
1. Question
The price of a cup of tea increased from Rs.80 to Rs.84. By what percentage did the price change?
Correct
Incorrect
Correct Answer: 5%
x = (84 – 80)/80 * 100 = 5% 
Question 2 of 10
2. Question
If the price of a 30 wallet is decreased by 20%, what is the final price of the wallet?
Correct
Incorrect
Correct Answer: 24
Part x 20
Whole 30 100
x/30 = 20/100
x = 30X20/100 = 24 
Question 3 of 10
3. Question
If the price of a commodity is increased by 20%, and then increased again by 5%, by what percent did the commodity price increase in total?
Correct
Incorrect
Correct Answer: 26%
Let the original price be Rs.100
After increasing by 20% , new price = 100 + 20% of 100 = 100 + 20 = 120
New price is increased again by 5%= 120 + 5%of 120 =120 + 5/100 X 120 = 120 + 6 = 126
Percentage of total increase in commodity price =Increase/ Original X 100 = (126 – 100)/ 100 X 100 = 26% 
Question 4 of 10
4. Question
A bag that originally costs x was on sale for 20% off. If y represents sale price of the bag , x is what percentage of y?
Correct
Incorrect
Correct Answer: 125%
PART 100 x
WHOLE 80 100
100/80 = x/100
x = 125%
x = 125% of y 
Question 5 of 10
5. Question
x% of y is 10. y% of 120 is 60. What is x?
Correct
Incorrect
Correct Answer: 20
Begin with known value
Begin with y% of 120 is 60
Part 60 y
Whole 120 100
60/120 = y/100
y = 50
Take the first part x% of y is 20
Part 10 x
Whole 50 100
1000 = 50x
x = 20 
Question 6 of 10
6. Question
From 1990 to 2000, the population of Kansas increased by 6%. From 2000 to 2010, it decreased by 3%. What was the overall percentage change in population of Kansas from 1990 to 2010?
Correct
Incorrect
Correct Answer: 2.82%
Assume original population of Kansas = 100
From 1990 to 2000 there was 6% increase = 100 + 100 X (0.06) = 106
From 2000 to 2010 there was 3% decrease = 106 – 106 X 3/100 = 106 – 106 (.03) = 106 – 3.18 = 102.82
Overall increase in population = 102.82 – 100 = 2.82% 
Question 7 of 10
7. Question
x is 40% of y. 50% of y is 60. 12 is what percent of x?
Correct
Incorrect
Correct Answer: 25%
Begin with what is given.
50% of y is 40
Part 50 60
Whole 100 y50/100 = 60/y
y = 120
Second Table for 40% of y
Part x 40
Whole 120 100
x/120 = 40/100
x = 4812 is 25% of 48
Part 12 x
whole 48 100 
Question 8 of 10
8. Question
600 increased by 40% and then decreased by 20% yields what number?
Correct
Incorrect
Correct Answer: 672
600 increased by 40% = 600 + 40/100 X 600 = 600+240 = 840
Then decreased by 20% = 840 – 20% of 840 = 840 – 168 = 672 
Question 9 of 10
9. Question
A bottle is 80% full. The liquid in the bottle consists of 30% lime juice and 70% of apple juice. The remainder of the bottle is then filled with 60 ml of water. How much lime juice is in the bottle?
Correct
Incorrect
Correct answer:
Bottle is 80% full means 20% empty.
80% is 4 times bigger than 20%
Thus, there is 4X60 = 240 ml of lime apple juice in the bottle.
Part x 30
Whole 240 100
7200 = 100x
x = 72 
Question 10 of 10
10. Question
The population of a town increasea by 4% every year. If present population is 50,000 then after two years population will be
Correct
Incorrect
Correct answer: 54080
P X (1+ r/100) ^{ t }