By Miranda Menestrina
- **Oct 9**, 02:00 AM

Math (PS)
A draining pipe can empty a pool in 4 hours. On a rainy day, when the pool is full, the draining pipe is opened and the pool is emptied in 6 hours. If rain inflow into the pool is 3 liters per hour, what...

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By Miranda Menestrina
- **Oct 1**, 02:00 AM

Math (PS)
4 professors and 6 students are being considered for membership on a supervisory committee which must consist of 3 people. If the committee has to include at least 1 professor, how many ways can this committee be formed?
A. 36
B. 60
C. 72
D. 80
E. 100
Question Discussion...

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By Miranda Menestrina
- **Sep 30**, 02:00 AM

Math (PS)
How many integers are divisible by 3 between and inclusive?
A. 6
B. 7
C. 8
D. 9
E. 10
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Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
GMAT Daily Deals
Manhattan GMAT: 99 percentile teachers and...

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By Miranda Menestrina
- **Sep 26**, 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 Miranda Menestrina
- **Sep 25**, 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 of...

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By Miranda Menestrina
- **Sep 24**, 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 Miranda Menestrina
- **Sep 23**, 02:00 AM

Math (DS)
Are integers , , and consecutive?
1. equals the arithmetic mean of and
2.
For the correct answer, please drag your mouse over the hidden text. Explanation is linked below.
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse...

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By Miranda Menestrina
- **Sep 22**, 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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