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11th Odisha Board
IMPORTANT
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A card is selected from 100 cards numbered 1 to 100. If the card is selected at random, find the probability that the number on the card is divisible by either 2 or 5.

(Write answer in simplest fraction form)

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Important Questions on Probability

MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 6

Eight persons stand in a line at random. What is the probability that two persons X and Y don't stand together.

(Write answer in simplest fraction form)

EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 7
What is the probability that four aces appear together when a pack of 52 cards is shuffled completely?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 8
If 8 persons are to sit around a table, what is the probability that two persons X and Y don't sit together.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 9

A die is rolled three times. Find the probability that the numbers obtained are in strictly increasing order. Write the final answer in simplest form of fraction.

MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 10
Three phono records are removed from their jackets, played and then returned to the jackets at random. Find the probability that none of the records goes to the right jacket. (Express your answer as the simplest form of fraction)
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 10
Three phono records are removed from their jackets, played and then returned to the jackets at random. Find the probability that just one record goes to the right jacket.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 10
Three phono records are removed from their jackets, played and then returned to the jackets at random. Find the probability in fractional form that none of the records goes to the right jacket.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Elements of Mathematics Vol.1>Chapter 16 - Probability>EXERCISES 16 (a)>Q 11
Four records are taken out of their jackets, played and returned to the jackets at random. Find the probability that none of the records goes into the right jacket.