Sub 505 (Easy)
If f = 3 r (s 1000) 2 and s = 2000 , what is r in terms of f ?
Sub 505 (Easy)
If p ≠ 0 and p – (1 – p 2) p = r p , then r =
Sub 505 (Easy)
If 2x + y = 7 and x + 2y = 5, then (x + y)/3 =
555-605 (Medium)
Which of the following equations has 1 + √2 as one of its roots?
Sub 505 (Easy)
If 5 − 6 x = x , then x has how many possible values?
Sub 505 (Easy)
If s > 0 and
r
s
√
=
s
, what is r in terms of s ?
Sub 505 (Easy)
Which of the following expressions can be written as an integer?
505-555 (Easy)
If x/y = c/d and d/c = b/a, which of the following must be true?
505-555 (Easy)
If k and n are positive integers such that n > k, then k ! + (n − k) * (k − 1) ! is equivalent to which of the following?
505-555 (Easy)
According to a certain estimate, the depth N(t), in centimeters, of the water in a certain tank at t hours past 2:00 in the morning is given by N (t) = − 20 (t − 5) 2 + 500 for 0 ≤ t ≤ 10 . According to this estimate, at what time in the morning does the depth of the water in the tank reach its maximum?
Sub 505 (Easy)
If mn ≠ 0 and 25 percent of n equals 37 1 2 percent of m, what is the value of 12 n m ?
Sub 505 (Easy)
If z ≠ 0 and z + 1 − 2 z 2 z = w z , then w =
Sub 505 (Easy)
If (1 – 1.25)N = 1, then N =
505-555 (Easy)
If (1 3 + 1 4 + 1 5 + 1 6) = r (1 9 + 1 12 + 1 15 + 1 18) , then r =
505-555 (Easy)
The symbol ∆ denotes one of the four arithmetic operations:addition,subtraction,multiplication,or division,If 6∆3≤ 3 ,which of the following must be true ?
555-605 (Medium)
If m and p are positive integers and m 2 + p 2 < 100 , what is the greatest possible value of mp ?
Sub 505 (Easy)
What number is 108 more than two-thirds of itself?
Sub 505 (Easy)
If 1 x − 1 x + 1 = 1 x + 4 , then x could be
705-805 (Hard)
If √ 3 − 2 x = √ 2 x + 1 3 − 2 x − − − √ = 2 x − √ + 1 , then 4 x 2 =
Sub 505 (Easy)
− 2 (3 − x [ 5 + y − 2 x ] − 7 + 2 ⋅ 3 2) =