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There are 4 blue, 7 red, 3 black and 6 w...

There are 4 blue, 7 red, 3 black and 6 white balls on a table. A cat jumped on the table and knocked out one ball on the floor. What is the probability that the ball is blue?

A

`7/20`

B

`3/5`

C

`1/5`

D

`1/4`

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NCERT EXEMPLAR-DATA HANDLING-EXERCISE (Choose the correct answer )
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  4. Rahul wins if spinner lands on red. Varun wins if spinner lands on blu...

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  5. In a frequency distribution with classes 0-10, 10-20 etc., the size of...

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  6. A coin is tossed 200 times and head appeared 120 times. The probabilit...

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  8. Monthly salary of a person is Rs. 15000. Then the amount he spends on ...

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  9. The central angle of the sector showing the distribution of protein an...

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  10. Rohan and Shalu are playing with 5 cards as shown in the figure. What ...

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  11. What is the ratio of the distribution of proteins in the muscles to...

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  12. What is the central angle of the sector in the pie chart representing ...

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  13. What is the central angle of the sector in the pie chart representing...

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  14. A coin is tossed 12 times and results in 7 tails. Then chance of occur...

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  15. Total number of outcomes, when a ball is drawn from a bag which contai...

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  16. A graph showing two sets of data simultaneously is known as

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  17. Size of the class 150-175 is

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  18. In a throw of a dice, the probability of getting the number 7 is

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  19. Data represented using circles is known as

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  20. Tally marks are used to find

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