** Question No : 8**

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?

$\frac{2}{3}$

$\frac{8}{21}$

$\frac{3}{7}$

$\frac{9}{22}$

** Question No : 9**

In a throw of coin what is the probability of getting head.

1

2

$\frac{1}{2}$

0

** Question No : 10**

In a throw of coin what is the probability of getting tails.

1

2

$\frac{1}{2}$

0

** Question No : 11**

Two unbiased coins are tossed. What is probability of getting at most one tail ?

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{3}{2}$

$\frac{3}{4}$

** Question No : 12**

Three unbiased coins are tossed, what is the probability of getting at least 2 tails ?

$\frac{1}{3}$

$\frac{1}{6}$

$\frac{1}{2}$

$\frac{1}{8}$

** Question No : 13**

In a throw of dice what is the probability of getting number greater than 5

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{1}{5}$

$\frac{1}{6}$

** Question No : 14**

What is the probability of getting a sum 9 from two throws of dice.

$\frac{1}{3}$

$\frac{1}{9}$

$\frac{1}{12}$

$\frac{2}{9}$