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- Video Course
- Video Course Overview - READ FIRST
- General GMAT Strategies - 7 videos (all free)
- Data Sufficiency - 16 videos (all free)
- Arithmetic - 38 videos (some free)
- Powers and Roots - 36 videos (some free)
- Algebra and Equation Solving - 73 videos (some free)
- Word Problems - 48 videos (some free)
- Geometry - 42 videos (some free)
- Integer Properties - 38 videos (some free)
- Statistics - 20 videos (some free)
- Counting - 27 videos (some free)
- Probability - 23 videos (some free)
- Analytical Writing Assessment - 5 videos (all free)
- Reading Comprehension - 10 videos (all free)
- Critical Reasoning - 38 videos (some free)
- Sentence Correction - 70 videos (some free)
- Integrated Reasoning - 17 videos (some free)

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## Comment on

Ages of Ann, Bea and Cho## Couldn't you put 9 and 1 as

## If we made 9 and 1 the other

If we made 9 and 1 the other two values in the third example (for statement 2), then the three numbers would be {1, 9, 10}, in which case the average would NOT equal 10 (one of the given conditions).

## I see the way you did it.

## Yes, that's an easy trap to

Yes, that's an easy trap to fall into :-)

Cheers,

Brent

## I wish this test wasn't all

## Ha! Yes, it certainly seems

Ha! Yes, it certainly seems that way at times!!

## Cheeky. So very cheeky. Fell

## It's an enticing answer

It's an enticing answer choice!!

## Add a comment