Probability chapter 15 Class 10th

1. What is the sum of probability of all events ?

• 0

• 1

• 2

• 3

2. Probability of an event cannot more than ?

• 1

• 2

• 3

• 5

3. Probability of an event cannot less than ?

• 3

• 2

• 1

• 0

4. A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 and these are equally likely outcomes. What is the probability that it will point at 8 ?

• 0/8

• 1/8

• 2/8

• 3/8

5. Is Probability of 125% Possible ?

• yes

• no

6. A child has a dice whose six faces shows the letters as given above : Dice is thrown once. What is the probability of getting B ?

• 0/6

• 2/6

• 3/6

• 1/6

7. Find the probability of getting a Red Marble from a box which contains 3 blue, 2 white and 4 red marbles ?

• 3/9

• 2/9

• 4/9

• 0

8. A child has a dice whose six faces shows the letters as given above : Dice is thrown once. What is the probability of getting A ?

• 1/6

• 1/2

• 2/6

• 3/6

9. Sangita and Reshma play a tennis match. If probability of Winning match of Sangita is 0.62. Then What is the probability of winning match by Reshma.

• 0.32

• 0.38

• 0.28

• 0.48

10. There are 144 bulbs in a box in which 20 are damaged. One bulb is drawn randomly from the box. Find probability of the damaged bulb?

• 122/144

• 0

• 20/144

• none of the above