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 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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By Miranda Menestrina
- **Sep 16**, 02:00 AM

Math (DS)
Are positive integers , , and equal?
1.
2.
Question Discussion & Explanation
------------------------------------------------------------------------------------------------------------------------------------
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 15**, 02:00 AM

Math (DS)
If and represent digits of a two digit number divisible by 3, is the two digit number less than 50?
1. Sum of the digits is a multiple of 18
2. Product of the digits is a multiple of 9
Question Discussion & Explanation
Correct Answer...

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

Math (DS)
If is an integer, what is the value of ?
1.
2.
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 8**, 02:00 AM

Math (PS)
How many of the three-digit numbers are divisible by 7?
(A) 105
(B) 106
(C) 127
(D) 128
(E) 142
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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