GMAT SECTION 2: QUANTITATIVE Exam Questions and Answers

QUESTION: 26

What is the least integer that is a sum of four different primes each greater than 20?

79
83
120
133
169

Answer(s): C

Explanation:

Find the sum of the first 4 primes larger than 20: 23+29+31+37=120. The correct answer is C.

QUESTION: 27

One quarter of the workers at the factory is clerical, one fifth is technical, half are administrative and the other 25 are managerial. How many workers total are there in the factory?

250
366
400
500
2500

Answer(s): D

Explanation:

First, calculate the fraction of the 25 managerial workers out of the total number of workers by subtracting the fractions given from 1. The 25 managerial workers are 201of the workers, therefore, 5002025=×, a total number of 500 workers. The correct answer is D.

Reveal Solution Next Question

QUESTION: 28

The price of a product is $a. Bill bought s products and then sold 80 percents of them $b. which of the following represents the whole deal if Bill’s profit was three times the cost?

0.8sb = 4sa.
(1-0.8) s –ab = 3s.
3(0.8a – sb) = sa.
(s-0.8s) (b-a) = 3.
(s0.8s) / (b-a) = 3.

Answer(s): A

Explanation:

This statement is equivalent to 0.8sb – sa = 3sa. The income is 0.8sb, the cost is sa, so the profit is three times the cost.
The correct answer is A.

Reveal Solution Next Question

QUESTION: 29

A grocer bought 24Kg of coffee beans at price X. After a while one third of the stock got spoiled so he sold the rest for 200$ per Kilo and made a total profit of twice the cost. What must be price X?

66 2/3$.
50 1/3$.
44 4/9$.
33 1/3$.
24 1/2$.

Answer(s): C

Explanation:

The total income is 16x200. The cost is 24X, and the total profit is 3200 – 24X = 48X. The correct answer is C.

Reveal Solution Next Question

QUESTION: 30

Kenny is three times older than Bob. In P years he will be twice older than Bob will be Q years later. Which of the following represents Kenny’s age comparing to Bob’s? (If X = Kenny’s age)

X + P = 6X (P+Q).
2(X+P) = 3X + Q.
(X+P)/2 = X/3 + P + Q.
3(X+P+Q) = 2X.
3X = 2(P + Q).

Answer(s): C

Explanation:

X is Kenny’s age. X/3 is Bob’s age. Answer C is equivalent to (X+P) = 2(X/3+P+Q), which means that in P years, X+P is 2 times (X/3+P) plus Q years. The correct answer is C.

Reveal Solution Next Question

GMAT GMAT SECTION 2: QUANTITATIVE Exam (page: 6) GMAT Section 2: Quantitative Updated on: 25-Dec-2025

QUESTION: 26

Explanation:

QUESTION: 27

Explanation:

QUESTION: 28

Explanation:

QUESTION: 29

Explanation:

QUESTION: 30

Explanation:

GMAT GMAT SECTION 2: QUANTITATIVE Exam (page: 6)
GMAT Section 2: Quantitative
Updated on: 25-Dec-2025