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A bag contains 5 red balls and some blue...

A bag contains 5 red balls and some blue balls, If the probability of drawing a blue ball is double that of a red ball, Find the number of blue balls in the bag.

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BEYOND PUBLICATION-PROBABILITY-EXERCISE
  1. A bag contains 5 red balls and some blue balls, If the probability of ...

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  2. Cards marked with numbers 13,14,15…………,60 are placed in a box and mixe...

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  3. Cards marked with numbers 13,14,15…………,60 are placed in a box and mixe...

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  4. There are 30 cards, of same size, in a bag on which numbers 1 to 30 ar...

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  5. A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at ra...

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  6. A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at ra...

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  7. A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at ra...

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  8. Find the probability that a number selected from the numbers 1 to 25 i...

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  9. A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at ra...

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  10. A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at ra...

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  11. A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at ra...

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  12. Find the probability that a number selected at random from the numbers...

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  13. Find the probability that a number selected at randomo from the number...

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  14. Find the probability that a number selected at random from the numbers...

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  15. It is given that in a group of 3 students, the probability of 2 studen...

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  16. A bag contains cards which are numbered from 2 to 90. A card is drawn ...

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  17. A bag contains cards which are numbered from 2 to 90. A card is drawn ...

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  18. A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue ba...

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  19. A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue ba...

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  20. A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue ba...

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  21. A bag contains 4 white balls, 6 red balls, 7 black balls and 3 blue ba...

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