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A box contains 90 discs which are number...

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears : a number divisible by 5.

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PSEB-PROBABILITY-EXAMPLE
  1. A box contains 90 discs which are numbered from 1 to 90. If one disc i...

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  2. Find the probability of getting a head when a coin is tossed once. Als...

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  3. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

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  4. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

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  5. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

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  6. Suppose we throw a die once. What is the probability of getting a numb...

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  7. Suppose we throw a die once. What is the probability of getting a numb...

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  8. One card is drawn from a well shuffled deck of 52 cards. Calculate the...

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  9. One card is drawn from a well shuffled deck of 53 cards. Calculate the...

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  10. Two players, Sangeeta and Reshma, play a tennis match. It is known tha...

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  11. Savita and Hamida are friends. What is the probability that both will ...

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  12. There are 40 students in Class X of a school of whom 25 are girls and ...

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  13. A box contains 3 blue, 2 white and 4 red Marbles. If a marble is drawn...

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  14. A box contains 3 blue, 2 white, and 5 red marbles. If a marble is draw...

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  15. A box contains 3 blue, 2 white, and 6 red marbles. If a marble is draw...

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  16. Harapreet tosses two different coins simultaneously. (say one is of Rs...

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  17. In a musical chair game, the person playing the music has been advised...

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  18. A canon consists of 100 shirts of which 88 are good, 8 have minor defe...

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  19. A canon consists of 100 shirts of which 88 are good, 8 have minor defe...

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  20. Two dice, one blue and one grey, arc thrown at the same time. Write do...

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  21. Two dice, one blue and one grey, arc thrown at the same time. Write do...

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