Given that a + b + c + d = 20, what is the minimum number...

Free Practice Question

PS · Problem Solving

505-555

Arithmetic

Given that a + b + c + d = 20, what is the minimum number of the variables a, b, c, d that must be positive, where this minimum is denoted as m?

Sign in to reveal the correct answer

A

0

B

1

C

2

D

3

E

4

Sign in for free to check your answer and unlock the full explanation.

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.