61). If four marbles are picked at random, what is the probability that one is green, two are blue and one is red?
| A). \( \Large \frac{24}{455} \) |
| B). \( \Large \frac{13}{35} \) |
| C). \( \Large \frac{11}{15} \) |
| D). \( \Large \frac{1}{3} \) |
|
62). If two marbles are picked at random, what is the probability that either both are green or both are yellow?
| A). \( \Large \frac{5}{91} \) |
| B). \( \Large \frac{1}{35} \) |
| C). \( \Large \frac{1}{3} \) |
| D). \( \Large \frac{4}{105} \) |
|
63). A bag contains 9 white and 5 black balls. Two balls are drawn at random. What is the probability that they are of the same colour?
| A). \( \Large \frac{47}{91} \) |
| B). \( \Large \frac{46}{91} \) |
| C). \( \Large \frac{45}{91} \) |
| D). \( \Large \frac{2}{3} \) |
|
64). A dice is thrown twice. What is the probability of getting a sum 9 from both the throws?
| A). \( \Large \frac{1}{9} \) |
| B). \( \Large \frac{2}{9} \) |
| C). \( \Large \frac{1}{3} \) |
| D). \( \Large \frac{3}{4} \) |
|
65). Three balls are drawn at random from the bag. What is the probability that 2 balls will be red and 1 ball will be green?
| A). \( \Large \frac{5}{68} \) |
| B). \( \Large \frac{3}{68} \) |
| C). \( \Large \frac{7}{68} \) |
| D). \( \Large \frac{9}{68} \) |
|
66). What is the probability of drawing one ball that will be neither red nor green?
| A). \( \Large \frac{1}{3} \) |
| B). \( \Large \frac{4}{9} \) |
| C). \( \Large \frac{5}{9} \) |
| D). \( \Large \frac{2}{3} \) |
|
67). What is the probability of drawing two balls of same colour?
| A). \( \Large \frac{53}{153} \) |
| B). \( \Large \frac{48}{153} \) |
| C). \( \Large \frac{49}{153} \) |
| D). \( \Large \frac{46}{153} \) |
|
68). 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?
| A). \( \Large \frac{5}{33} \) |
| B). \( \Large \frac{5}{22} \) |
| C). \( \Large \frac{7}{22} \) |
| D). \( \Large \frac{7}{33} \) |
|
69). A die is thrown twice. What is the probability of getting a sum 7 from both the throws?
| A). \( \Large \frac{5}{18} \) |
| B). \( \Large \frac{1}{18} \) |
| C). \( \Large \frac{1}{9} \) |
| D). \( \Large \frac{1}{6} \) |
|
70). What is the difference between the number of females who are non-graduates and the number of males who are graduates?
| A). 2 |
| B). 24 |
| C). 4 |
| D). 116 |
|
