Q26. 
In a race, the odd favour of cars $P,Q,R,S$ are $1:3, 1:4, 1:5$ and $1:6$ respectively. Find the probability that one of them wins the race. 
A.  9/17 

B.  114/121 

C.  319/420 

D.  27/111 
Q27. 
Set A = {2,3,4,5} Set B = {4,5,6,7,8} Two integers will be randomly selected from the sets above, one integer from Set $A$ and one integer from Set $B$. What is the probability that the sum of the two integers will equal 9? 
A.  0.20 

B.  0.25 

C.  0.30 

D.  0.33 
Q28. 
From a pack of 52 cards, 3 cards are drawn. What is the probability that one is ace, one is queen and one is jack? 
A.  19/5525 

B.  21/5525 

C.  17/5525 

D.  16/5525 
Q29. 
Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl. 
A.  27/34 

B.  25/34 

C.  19/34 

D.  21/34 
Q30. 
A bag contains 7 green and 5 black balls. Three balls are drawn one after the other. The probability of all three balls being green, if the balls drawn are not replaced will be: 
A.  343/1728 

B.  21/36 

C.  12/35 

D.  7/44 