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A box contains 5 red marbles, 8 white ma...

A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be:
(i) red ? (ii) white? (iii) not green?

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The correct Answer is:
17, `(13)/(17)`
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OSWAL PUBLICATION-PROBABILITY-NCERT CORNER ( Exercise-15.1)
  1. It is given that in a group of 3 students, the probability of 2 stu...

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  2. A bag contains 3 red balls and 5 black balls. A ball is drawn at rando...

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  3. A box contains 5 red marbles, 8 white marbles and 4 green marbles. One...

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  4. A piggy bank contains hundred 50p coins, fifty Rs. 1 coins, twenty ? ...

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  5. Gopi buys a fish from a shop for his aquarium. The shopkeeper takes...

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  6. A game of chance consists of spinning an arrow which comes to rest poi...

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  7. A dice is thrown once. Find the probability of getting a prime number ...

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  8. A die is thrown once. What is the probability of getting a number l...

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  9. A die is thrown once. find the probability of getting an odd number

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  10. One card is drawn from a well shuffled deck of cards . Find the probab...

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  11. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  12. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  13. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  14. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  15. One card is drawn from a well - shuffled deck of cards . Find the prob...

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  16. Five cards - the ten, jack, queen, king and ace of diamonds, are well-...

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  17. Five cards the ten, jack, queen king and ace of diamonds, are well...

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  18. 12 defective pens are accidentally mixed with 132 good ones. It is ...

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  19. A lot of 20 bulbs contains 4 defective ones. One bulb is drawn at rand...

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  20. (i) A lot of 20 bulbs contain 4 defective ones. One bulb is drawn a...

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