Q11. 
Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in King. 
A.  1/13 

B.  4/13 

C.  1/52 

D.  1/26 
Q12. 
The odds against an event are 5:3 and the odds in favour of another independent event are 7:5. Find the probability that at least one of the two events will occur. 
A.  52/96 

B.  69/96 

C.  71/96 

D.  13/96 
Q13. 
A special lottery is to be held to select a student who will live in the only deluxe room in a hostel. There are 100 YearIII, 150 YearII and 200 YearI students who applied. Each YearIII's name is placed in the lottery 3 times; each YearII's name, 2 times and YearI's name, 1 time. What is the probability that a YearIII's name will be chosen? 
A.  1/8 

B.  2/9 

C.  2/7 

D.  3/8 
Q14. 
If the chance that a vessel arrives safely at a port is 9/10 then what is the chance that out of 5 vessels expected at least 4 will arrive safely? 
A.  $\dfrac{14 × 9^4}{10^5}$ 

B.  $\dfrac{15 × 9^5}{10^4}$ 

C.  $\dfrac{14 × 9^3}{10^4}$ 

D.  $\dfrac{14 × 9^6}{10^5}$ 
Q15. 
In a charity show tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2? 
A.  0.285 

B.  0.40 

C.  100/249 

D.  99/250 