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CLEP College Mathematics Test 1
Question 1: A box contains 3 yellow, 2 red, 4 green and 3 black marbles. Two marbles are taken one after the other at random from the box. What is the probability that both marbles are red?
1/50
1/60
1/66
2/57
1/6
Question 2: What is the real part of the complex number z = (2 - i)/(1 + i)?
-1
-2
2
1/2
1
Question 3: If ln(√x) = 5 and ln(y
^{3}
) = 3, what is ln(x
^{2}
y)?
20
21
18
1
12
Question 4: The average of numbers a and b is greater than the average of numbers c,d and e. If c > 0 and d > 0, which of the following must be true:
a + b < c + d
a + b ≤ 3
a + b < 3
a + b > 2e/3
a + b < 2e/3
Question 5: If R = {x | x is integer and x > 0},
S = {x | x is even integer and x < 7}
and Q = {1, 2, 4, 5, 6}, what is [(R ∩ S) U Q]?
{1, 2, 3, 5, 6}
{1, 2, 4, 5, 6, 7}
{1, 2, 4, 5, 6}
{1, 2, 3, 4, 5, 6}
{2, 4, 5, 6}