GMAT Data Insights Practice Test Practice Questions - Data Insights

Question 1

A survey of 200 people found that 60% prefer tea over coffee. If 30% of the tea drinkers also drink coffee, how many people prefer only tea?

Accepted Answer

C) 84

Answer

A) 60

Answer

B) 72

Answer

D) 96

Answer

E) 108

Question 2

If the average of five numbers is 20, and one of the numbers is removed, the average of the remaining four numbers becomes 18. What was the removed number?

Accepted Answer

D) 28

Answer

A) 22

Answer

B) 24

Answer

C) 26

Answer

E) 30

Question 3

A company's profit increased by 25% in the first year and then decreased by 20% in the second year. If the final profit was $300,000, what was the initial profit?

Accepted Answer

B) $250,000

Answer

A) $240,000

Answer

C) $260,000

Answer

D) $270,000

Answer

E) $280,000

Question 4

In a group of 50 students, 30 play soccer, 25 play basketball, and 10 play both. How many students play neither sport?

Accepted Answer

A) 5

Answer

B) 10

Answer

C) 15

Answer

D) 20

Answer

E) 25

Question 5

If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many girls are there?

Accepted Answer

B) 10

Answer

A) 5

Answer

C) 15

Answer

D) 20

Answer

E) 25

Question 6

A train travels 300 km in 5 hours. What is its average speed in meters per second?

Accepted Answer

B) 16.67

Answer

A) 15

Answer

C) 18

Answer

D) 20

Answer

E) 22.22