GMAT Section 2 Quantitative practice questions, page 10 of 29, with answer review and explanations.
Question 46
If it takes Steve 6 hours to tile a floor and Cheryl 4 hours to tile the same floor, how long would it take both Steve and Cheryl to tile the floor if they worked together?
2 hours 12 minutes
2 hours 24 minutes
3 hours
3 hours 12 minutes
10 hours B
Question 47
Given the area of the three squares, find the perimeter of ∆ABC.
12
12.5
19.5
20
25
Question 48
During a sale, the price of a pair of shoes is marked down 10% from the regular price. After the sale ends, the price goes back to the original price. What is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes?
9%
10%
11%
15%
90%
Question 49
How many degrees is the smaller angle?
44
88
92
132
180
Question 50
If the average (arithmetic mean) of x, x + 2, and x + 4 is 33, what is the value of x?