Free Practice Question
PS · Problem Solving
sub-505
Combinations
In a choir, each singer is required to wear a t-shirt, trousers, and a jacket, ensuring that no two singers have identical outfits. If jackets come in four distinct colors, t-shirts in seven different colors, and trousers in five different colors, how many unique outfits can be created?
Answer Choices
Sign in to reveal the correct answerA
7
B
20
C
28
D
140
E
1400
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
2
Sign in to join the discussion
T
ThomasJul 3, 2024
thanks a lot
Details
Difficulty
sub-505
Type
PS
Category