By dzyubam
- Oct 5, 02:00 AM
Math (DS)
Is a terminating decimal?
1.
2.
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By dzyubam
- 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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By dzyubam
- Oct 3, 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 dzyubam
- Sep 28, 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 dzyubam
- Sep 27, 02:00 AM
Math (DS)
Is ?
1.
2.
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By dzyubam
- Sep 26, 02:00 AM
Math (PS)
If is the number of distinct positive divisors of , what is the value of ?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
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By dzyubam
- Sep 21, 02:00 AM
Math (PS)
There are two concentric circles with radii 10 and 8. If the radius of the outer circle is increased by 10% and the radius of the inner circle decreased by 50%, by what percent does the area between the circles grow?
(A) 140%
(B) 141%
(C) 190%
(D)...
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By dzyubam
- Sep 19, 02:00 AM
Math (DS)
If and are positive integers, then is an even integer?
1. is an odd integer.
2. is an even integer.
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By dzyubam
- Sep 14, 04:57 AM
Math (PS)
In a fleet of a certain car-renting agency the ratio of the number of sedans to the number of hatchbacks was 9:8. If after the addition of 3 sedans and 1 hatchback, this ratio rose to 6:5, how many more sedans than hatchbacks does...
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By dzyubam
- Sep 9, 02:00 AM
Math (DS)
, , and are points on the plane. Is
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