| Study Case : Q. 11 to 15 |
| Shivam sees a game in a fair. He is keenly interested to play it. He asks the rules of game from the owner. Owner says that you will move this spinner first, if it stops on a prime number, then you are allowed to pick a marble from a bag and bag has only white and black marbles. Prizes are given when a white marble is picked randomly. |
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| Based on the above information, answer the following questions: |
A) \[\frac{3}{8}\]
B) \[\frac{5}{8}\]
C) \[\frac{1}{2}\]
D) 1
Correct Answer: A
Solution :
| Total numbers on the spinner = 8 |
| Non-prime numbers are 4, 8.10 i.e., 3 |
| So, P(non-prime number) \[=\frac{3}{8}\] |
| So, option [a] is correct |
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