By akkane
- **Oct 24**, 02:00 AM

Math (PS)
John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume...

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By akkane
- **Oct 22**, 02:00 AM

Math (PS)
A perfect number is defined as one for which the sum of all the unique factors less the number itself equals to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and...

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By akkane
- **Oct 17**, 02:00 AM

Math (PS)
A soccer coach riding his bike at 24 km/h reaches his office 5 minutes late. Had he traveled 25% faster, he would have reached the office 4 minutes earlier than the scheduled time. How far is his office from his house?
(A) 18 km
(B) 24...

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By akkane
- **Oct 16**, 02:00 AM

Math (PS)
What is the last digit of the following number ?
(A) 6
(B) 5
(C) 2
(D) 1
(E) 0
____________________________________________________________________________________________________________________________________
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
GMAT Daily Deals
Veritas Prep: 99th percentile instructors, 90+ cities worldwide and $865 total...

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By akkane
- **Oct 15**, 02:00 AM

Math (PS)
6 students in a group study different languages as specified:
* Russian: 4
* Ukrainian: 3
* Hebrew: 2
Each student studies at least 1 language. If it is also known that exactly 3 students study exactly 2 languages, how many students are studying all three languages?
(A) 0
(B)...

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By akkane
- **Oct 12**, 02:00 AM

Math (PS)
How many five-digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 3, without repeating the digits?
(A) 15
(B) 96
(C) 120
(D) 181
(E) 216
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Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to...

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By akkane
- **Oct 11**, 02:00 AM

Math (PS)
One fisherman was telling his friends that he caught a fish that had a 60 foot long head. It also had a tail that was as long as the fish's head and a half of its body. Finally, the body was half the size...

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By akkane
- **Oct 10**, 02:00 AM

Math (PS)
Which set(s) has the greatest standard deviation?
1. Set 1 consisting of 10 digits
2. Set 2 consisting of 10 first positive consecutive even numbers
3. Set 3 consisting of 10 first primes
(A) set 1
(B) set 2
(C) set 3
(D) set 1 and 2
(E) set 1, 2, and...

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By akkane
- **Oct 8**, 02:00 AM

Math (PS)
A car dealership sold two cars: the first car at a 10% profit and the second car at a 10% loss, which gave them an overall profit margin of 5% from these two sales. If the dealership's total profit was $1000, what was the...

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By akkane
- **Oct 4**, 02:00 AM

Math (PS)
A computer generated a sequence of numbers using the following formula:
is the common difference between any two consecutive terms of the sequence
If the sum of the second and the fifth terms of the sequence is 8 and the sum of the...

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