Q1. 
A number X is chosen at random from the numbers 3, 2, 1, 0, 1, 2, 3. What is the probability that $X < 2$ 
A.  5/7 

B.  3/7 

C.  3/5 

D.  1/3 
Q2. 
Two brother $X$ and $Y$ appeared for an exam. Let $A$ be the event that $X$ is selected and $B$ is the event that $Y$ is selected. The probability of $A$ is $\dfrac{1}{7}$ and that of $B$ is $\dfrac{2}{9}$. Find the probability that both of them are selected. 
A.  1/63 

B.  2/35 

C.  2/63 

D.  9/14 
Q3. 
An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red? 
A.  6/13 

B.  5/26 

C.  5/13 

D.  7/26 
Q4. 
Four dice are thrown simultaneously. Find the probability that all of them show the same face. 
A.  1/216 

B.  1/36 

C.  4/216 

D.  3/216 
Q5. 
A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black? 
A.  18/145 

B.  18/29 

C.  36/135 

D.  36/145 