Free Practice Question
PS · Problem Solving
505-555
Number Properties
John had to multiply two positive integers. Instead of taking 35 as one of the multipliers, he incorrectly took 53. As a result, the product went up by 540. What is the new product?
Answer Choices
Correct answer marked belowA
1050
B
540
C
1440
D
1520
1590
Correct
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
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
Sign in to join the discussion
No comments yet
Be the first to share your thoughts and help others understand it better.
Sign in to commentWhat this question tests
What it tests
Your command of divisibility, primes, factors, parity, and how the GMAT tests properties of integers.
Common trap
Forgetting that 1 is not prime, that 0 is divisible by every integer, or that negative numbers flip your assumptions.
Details
Difficulty
505-555
Type
PS
Category