GMAT Quantitative: Arithmetic and Percentages

Question 1

What is 30% of 450?

Accepted Answer

135

Answer

100

Answer

125

Answer

150

Question 2

A store marks up its goods by 40% and then offers a 25% discount. What is the net change in price?

Accepted Answer

5% increase

Answer

5% decrease

Answer

No change

Answer

15% increase

Question 3

If 3/8 of a number is 45, what is 5/6 of that number?

Accepted Answer

100

Answer

80

Answer

90

Answer

120

Question 4

A number is increased by 20% and then decreased by 20%. What is the net result?

Accepted Answer

4% decrease

Answer

No change

Answer

2% decrease

Answer

4% increase

Question 5

What fraction of 2/5 is 4/15?

Accepted Answer

2/3

Answer

1/3

Answer

3/4

Answer

8/15

Question 6

The population of a city increased from 240,000 to 300,000. What is the percentage increase?

Accepted Answer

25%

Answer

20%

Answer

30%

Answer

60%

Question 7

If 5 is 4% of x, what is x?

Accepted Answer

125

Answer

20

Answer

80

Answer

500