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 18, 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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By Miranda Menestrina
- Sep 17, 02:00 AM
Math (PS)
Lionel left his house and walked towards Walt's house, 48 miles away. Two hours later, Walt left his house and ran towards Lionel's house. If Lionel's speed was 4 miles per hour and Walt's 6 miles per hour, how many miles had Lionel walked...
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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 12, 02:00 AM
Math (PS)
The following table shows results of a quality inspection of a lot of 15 mirrors.
Defects
Frequency
0
6
1
1
2
4
3
3
4
1
The difference between the median number of defects and the average number of defects in the sample checked is between:
(A) -1 and 0
(B) 0 and 0.5
(C) 0.5 and 1
(D)...
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By Miranda Menestrina
- Sep 11, 02:00 AM
Math (DS)
Is ?
1.
2.
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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