If you're enjoying this GMAT video course, help spread the word on Twitter.
- Video Course
- Video Course Overview
- General GMAT Strategies - 7 videos (free)
- Data Sufficiency - 16 videos (free)
- Arithmetic - 38 videos
- Powers and Roots - 36 videos
- Algebra and Equation Solving - 73 videos
- Word Problems - 48 videos
- Geometry - 42 videos
- Integer Properties - 38 videos
- Statistics - 20 videos
- Counting - 27 videos
- Probability - 23 videos
- Analytical Writing Assessment - 5 videos (free)
- Reading Comprehension - 10 videos (free)
- Critical Reasoning - 38 videos
- Sentence Correction - 70 videos
- Integrated Reasoning - 17 videos
- Study Guide
- Blog
- Philosophy
- Office Hours
- Extras
- Prices
Comment on Multiples of 5
Can you also solve by lining
Perfect! That's similar to
Perfect! That's similar to the strategy described here: https://www.gmatprepnow.com/module/gmat-word-problems/video/927
Why is it not necessary to
Thanks a lot and best
Great question!
Great question!
From the Official Guide for GMAT Review: If x and y are integers and x ≠ 0, then x is a divisor (factor) of y provided that y = xn for some integer n.
In this case, y is also said to be divisible by x or to be a multiple of x.
So, the definition of "multiple" implies that we are dealing with integers only.
sir why not use ap instead?
I'm not a big fan of having
I'm not a big fan of having students memorizing too many formulas. I feel that the test-makers can easily exploit some students' tendency to have an overly formulaic approach to GMAT math questions.
Cheers,
Brent