Home
Class 12
MATHS
There are 20 cards , 10 of these cards h...

There are 20 cards , 10 of these cards have the letter 'I' printed on them and the other 10 have the letter 'T' printed on them. If three cards are picked up at random and kept in the same order, the probability of making word IIT is

A

`4//27`

B

`5//38`

C

`1//8`

D

`9//80`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-1|6 Videos

  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-2|8 Videos

  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE-1B|62 Videos

  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONS ) SET -4|10 Videos

  • PRODUCTS OF VECTORS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise 2 (Special Type Questions) SET -D|14 Videos

Similar Questions

Explore conceptually related problems

There are 15 cards. Of these 10 have the letter 'I' printed on them and the other 5 have the letter 'T' printed on them. If three cards are picked up at random one after the other and kept in the same order, the probability of making the word IIT is

Two persons A, B have to speak at a function with 10 other persons. If the persons speak at random order, the probability that A speaks immediately before B is

From a pack of cards, 2 cards are chosen at random. The probability of the event of having one card as 10 which is not heart and another a hearts card is

Once again you are given four cards. Each card has a number printed on one side and a letter on the other side. Which are the only two cards you need to turn over to check whether the following rule holds? "If a card has a consonant on one side, then it has an odd number on the other side."

A shopkeeper has 100 memory cards in a box. Among them 15 memory cards Are defective when a person came to the shop to buy a memory cards, the shopkeeper draw a memory card at random from the box then (i) What is the probability that memory card is defective? (ii) After drawing the first memory card which is defective, it is not placed back in the box”. Then what is the probability that this memory card is not defective.

If 5 cards are drawn from a pack, then the probability of selecting the cards of which four of them have same face value is

Ten persons with badges numbered 1 to 10 are in a room. If three of them are asked to leave the room. Then, the probability to have the person with the smallest badge number as 5 among the three persons that left the room, is

DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
  1. E(1), E(2) are events of a sample space such that P(E(1))=(1)/(4), P((...

    Text Solution

    |

  2. E1, E2 are events of a sample sapce such that P(E1) =1/4 , P(E2|E1)=1/...

    Text Solution

    |

  3. There are 20 cards , 10 of these cards have the letter 'I' printed on ...

    Text Solution

    |

  4. Suppose E and F are two events of a random experiment. If the probabil...

    Text Solution

    |

  5. If A and B are two events such that P(A) = 0.3 , P(B) = 0.6 and P(B|A)...

    Text Solution

    |

  6. If P(overlineA) = 0.7, P(B) = 0.7 and P(B|A) = 0.5, then P(A|B) =

    Text Solution

    |

  7. If P(overlineA) = 0.7, P(B) = 0.7 and P(B|A) = 0.5, then P(AcupB )=

    Text Solution

    |

  8. If A and B are two events such that P(A|B) =0.6 , P(B|A)=0.3, P(A) = 0...

    Text Solution

    |

  9. Two events A and B are such that P(A)= (1)/(4)P(A|B) = (1)/(4) and P(B...

    Text Solution

    |

  10. Two dice are thrown at a time and the sum of the numbers on them is 6....

    Text Solution

    |

  11. If two dice are thrown simultaneously , then the sum of the numbers on...

    Text Solution

    |

  12. Out of numbers 1,2,3,….9, two numbers are chosen at random, so that th...

    Text Solution

    |

  13. Three numbers are selected at random without replacement from the set ...

    Text Solution

    |

  14. A box contains 100 tickets, numbered 1,2,….100. Two tickets are chosen...

    Text Solution

    |

  15. Three numbers are chosen at random without replacement from {1,2,3,….8...

    Text Solution

    |

  16. For a biased die the probability for different faces to turn up are gi...

    Text Solution

    |

  17. In a bag there are 6 red, 4 black balls. From it 2 balls (without repl...

    Text Solution

    |

  18. In a class , 40% students study History, 25% Civics and 15% both Histo...

    Text Solution

    |

  19. One ticket is selected at random from 100 tickets numbered 00, 01, 02,...

    Text Solution

    |

  20. One ticket is selected at random from 50 tickets numbered 00, 01, 02, ...

    Text Solution

    |