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 3**, 02:00 AM

Math (PS)
What is the product of three consecutive integers?
(1) At least one of the integers is positive.
(2) The sum of the integers is less than 6.
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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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)
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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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