By dzyubam
- **Mar 26**, 02:00 AM

Math (DS)
and are positive integers and . What is the value of ?
1.
2. is a prime number
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By dzyubam
- **Mar 23**, 02:00 AM

Math (DS)
When is divided by 5, the remainder is 2. Is divisible by 7?
1. is a prime number
2. is a multiple of 10
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse...

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By dzyubam
- **Mar 22**, 02:00 AM

Math (PS)
A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting?
(A) 4%
(B) 166%
(C) 266%
(D) 300%
(E) 400%
OA and Explanation
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the...

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By Knewton
- **Mar 21**, 14:35 PM

By Jen Rugani
In the Nintendo game Super Mario Bros., Mario uses green warp pipes to travel around the world. Even though some of these pipes don’t lead anywhere, savvy players know that it’s wise to try to enter every single one, because every so often,...

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By dzyubam
- **Mar 21**, 02:00 AM

Math (PS)
Which expression has the greatest value?
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
GMAT Daily Deals
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By Magoosh
- **Mar 20**, 09:00 AM

Many of our students requested that we record video explanations for the math questions ("Sample Questions") from the GMAT Official Guide, both Data Sufficiency and Problem Solving, and we were happy to help!
Here's the link to the videos, be sure to bookmark it and refer...

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By dzyubam
- **Mar 20**, 02:00 AM

Math (DS)
Set consists of a certain number of even integers divisible by 3. Is standard deviation of positive?
1. All elements of set are positive
2. The range of set is 0
Question Discussion & Explanation
Correct Answer - B - (click and drag your...

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By dzyubam
- **Mar 19**, 02:00 AM

Math (DS)
If sets and are united into a single set, will the mean of this set be smaller than the sum of means of sets and ?
1. and are one-element sets
2. Neither set nor set contains negative...

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By dzyubam
- **Mar 16**, 02:00 AM

Math (PS)
If is a positive integer, is defined as the number of positive integers which are less than and do not have common factor with other than 1. If is prime then
(A)
(B)
(C)
(D)
(E) 2
Question Discussion &...

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By dzyubam
- **Mar 15**, 04:57 AM

Math (DS)
A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ?
1. The ratio of the lengths of sides of the rectangle is 3:4
2. The difference between the lengths of sides of the rectangle is smaller...

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