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A scholarship committee awarded scholarships in the $1250, [#permalink]
21 Oct 2006, 19:01

1. A scholarship committee awarded scholarships in the $1250, $2500, and $4000. The committee awarded twice as many $2500 scholarships as $4000 scholarship, and three times as many $1250 as $2500 scholarship. If total $37500 awarded in $1250, how many $4000 are award?

A) 5
B) 6
C) 9
D) 10
E) 15

2. Why f(x) = x^2(1 â€“ x^2) is equal to f(x) = f (1-x) for all x?

3. Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute, and gear Q makes 40 revolutions per minute. How many second after the gears start rotating will gear Q have made exactly 6 more revolutions than gear P?
A) 6
B) 8
C) 10
D) 12
E) 15

1. A scholarship committee awarded scholarships in the $1250, $2500, and $4000. The committee awarded twice as many $2500 scholarships as $4000 scholarship, and three times as many $1250 as $2500 scholarship. If total $37500 awarded in $1250, how many $4000 are award?