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

Math (PS)
Some part of a 50% solution of acid was replaced with an equal amount of 30% solution of acid. If, as a result, 40% solution of acid was obtained, what part of the original solution was replaced?
(A)
(B)
(C)
(D)
(E)
Question Discussion &...

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By Miranda Menestrina
- **Sep 13**, 02:00 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 Miranda Menestrina
- **Sep 12**, 02:00 AM

Math (PS)
The scoring system in a certain football competition goes as follows: 3 points for victory, 1 point for a draw, and 0 points for defeat. Each team plays 20 matches. If the team scored 9 points after 5 games, what is the least number...

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By Miranda Menestrina
- **Sep 11**, 02:00 AM

Math (DS)
Is point closer to point than to point ?
1. Point lies on the line
2. Point lies on the line
Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 10**, 02:00 AM

Math (DS)
, , and are points on the plane. Is ?
1.
2.
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 9**, 02:00 AM

Math (PS)
What is the least such that is divisible by 1000?
(A) 8
(B) 10
(C) 15
(D) 20
(E) 25
Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 6**, 02:00 AM

Math (PS)
What is the last digit of ?
(A) 1
(B) 3
(C) 6
(D) 7
(E) 9
Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)
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By Miranda Menestrina
- **Sep 5**, 02:00 AM

Math (PS)
It takes Jack 2 more hours than Tom to type 20 pages. Working together, Jack and Tom can type 25 pages in 3 hours. How long will it take Jack to type 40 pages?
(A) 5 hours
(B) 6 hours
(C) 8 hours
(D) 10 hours
(E) 12 hours
Question...

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By Miranda Menestrina
- **Sep 4**, 02:00 AM

Math (PS)
The train consists of 6 carriages, 20 meters long each. The gap between the carriages is 1 meter. If the train is moving at a constant speed of 60 kmh, how much time will it take the train to run through a 1 kilometer...

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By Miranda Menestrina
- **Sep 3**, 02:00 AM

Math (DS)
Does the curve intersect the Y axis?
1.
2.
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
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