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A bag contains 20 coloured balls . 8 ar...

A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are green ,2 are white and 1 is brown. A ball is chosen at random from the bag . What is the probability that ball chosen is :
red or green

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The correct Answer is:
`(11)/(20)`
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ICSE-PROBABILITY -EXERCISE 22 (B)
  1. A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are gree...

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  2. A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are green...

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  3. A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are gree...

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  4. A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are gree...

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  5. A bag contains 20 balls . These are of three different colours : gree...

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  6. A bag contains 20 balls . These are of three different colours : gree...

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  7. A bag contains 20 balls . These are of three different colours : gree...

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  8. A bag contains 20 balls . These are of three different colours : gree...

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  9. A pair of dice is thrown . Find the probability of getting a sum of 1...

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  10. A match can be won , drawn or lost One week a school it to play two ma...

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  11. A match can be won , drawn or lost One week a school it to play two ma...

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  12. A match can be won , drawn or lost One week a school it to play two ma...

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  13. A match can be won , drawn or lost One week a school it to play two ma...

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  14. A match can be won , drawn or lost One week a school it to play two ma...

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  15. The ace , king, queen , jack and ten from both the spades and hearts s...

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  16. The ace , king queen , jack and ten from both the spades and hearts su...

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  17. The ace , king queen , jack and ten from both the spades and hearts su...

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  18. The ace , king queen , jack and ten from both the spades and hearts su...

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  19. The ace , king queen , jack and ten from both the spades and hearts su...

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  20. A small pack of cards consists of the Ace, King, Queen, Jack and ten o...

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