Free Test Online

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?

Question 2: What is the real part of the complex number z = (2 - i)/(1 + i)?

Question 3: If ln(√x) = 5 and ln(y³) = 3, what is ln(x²y)?

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:

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]?