1. A bag contains 7 blue balls and 5 yellow balls. If two balls are selected at random, what is the probability that none is yellow?

5/33

7/22

7/66

5/22

7/33


2. A die is thrown twice. What is the probability of getting a sum 7 from both the throws?

5/18

1/18

1/9

1/6

5/36


Directions (Q.  Nos. 3-5) Study the information carefully to answer these questions.

In a team, there are 240 members (males and females). Two-third of them are males. Fifteen percent of males are graduates. Remaining males are non-graduates. Three-fourth of the females are graduates.   Remaining females are non-graduates.

3. What is the difference between the number of females who are non-graduates and the number of males who are graduates?

2

24

4

116

36


4. What is the sum of the number of females who are graduates and the number of males who are non-graduates?

184

96

156

84

196


5. What is the ratio between the total number of males and the number of females who are non-graduates?

6 : 1

8 : 1

8 : 3

5 : 2

7 : 2


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