GMAT Section 2 Quantitative practice questions, page 19 of 29, with answer review and explanations.
Question 91
One out of every 500 light bulbs are defected. If 2 out of every 10 defected light bulbs have a broken glass and there are 20 broken glass light bulbs in the shipment, how many light bulbs total are there in the shipment?
2,000
5,000
10,000
50,000
52,000
Question 92
If a is an even integer and b is an odd integer, what must the expression be?
Always even
Always odd
Always a fraction
Could be a fraction
Always an integer
Question 93
A salesperson gets a 15% commission on each sale he makes. How many sales of $270 each must he make in order to reach a salary of at least $1000?
15
24
25
26
52
Question 94
In how many different ways can five people be seated on a five-seat bench if two of them must sit next to each other?
24
48
120
240
480
Question 95
The area of an isosceles trapezoid with sides of length 5 and bases of length 8 and 14 is?