Home
Class 14
MATHS
How many 3-digit numbers, each less than...

How many 3-digit numbers, each less than 600, can be formed from `{ 1,2,3,4,7,9}` if repetition of digits is allowed ?

A

216

B

180

C

144

D

120

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PERMUTATION AND COMBINATION

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|50 Videos

  • MATRIX

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS|91 Videos

  • POINT & LINE

    PUNEET DOGRA|Exercise PREV YEAR QUESTIONS |105 Videos

Similar Questions

Explore conceptually related problems

How many 3-digit numbers, each less than 600, can be formed from {1, 2, 3, 4, 7, 9} if repectition of digits is allowed ?

How many 3-digit numbers above 600 can be formed by using the digits 2, 3, 4, 5, 6, if repetition of digits is allowed?

How many odd numbers less than 1000 can be formed using the digits 0, 1, 4, and 7 if repetition of digits is allowed?

How many odd numbers less than 1000 can be formed using the digits 0,4,5,7 if (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many numbers can be formed from digits 1, 3, 5, 9 if repetition of digits is not allowed?

How many six-digit odd numbers,greater than 6,00,000, can be formed from the digits 5,67,8,9, and 0 if repetition of digits is allowed repetition of digits is not allowed.

How many numbers can be formed fro the digits 1,2,3 and 9, if repetition of digits is not allowed?

How many odd numbers less than 1000 can be formed by using the digits 0, 2, 5, 7 when the repetition of digits is allowed?

How many 5-digit prime numbers can be formed using the digits 1, 2, 3, 4, 5 if the repetition of digits is not allowed?

PUNEET DOGRA-PERMUTATION AND COMBINATION-PREV YEAR QUESTIONS
  1. How many 3-digit numbers, each less than 600, can be formed from { 1,2...

    Text Solution

    |

  2. If .^(n)P(r)= 2520 and .^(n)C(r)= 21, then what is the value of .^(n+...

    Text Solution

    |

  3. What is C( 47,4) + C ( 51,3) + C ( 50,3) + C ( 49,3) + C ( 48,3) + C ...

    Text Solution

    |

  4. How many 3-digit numbers can be formed from the digits 1,2,3,4 and 5 a...

    Text Solution

    |

  5. From 6 programmers and 4 typists, an office wants to recruit 5 people....

    Text Solution

    |

  6. There are 10 points in a plane. No three of these points are in a stra...

    Text Solution

    |

  7. Three dice having digits 1,2,3,4,5 and 6 on their faces are marked . I...

    Text Solution

    |

  8. What is the sum of all three-digit numbers that can be formed using al...

    Text Solution

    |

  9. The total number of 5-digit numbers that can be composed of distinct d...

    Text Solution

    |

  10. There are 17 cricket players, out of which 5 players can bowl. In how ...

    Text Solution

    |

  11. What is the number of triangles that can be formed be choosing the ver...

    Text Solution

    |

  12. How many four-digit numbers divisible by 10 can be formed using 1,5,0,...

    Text Solution

    |

  13. How many numbers between 100 an 1000 can be formed with the digits 5,6...

    Text Solution

    |

  14. A tea party is arranged for 16 people along two sides of a large table...

    Text Solution

    |

  15. How many new words are possible from the letters of the word PERMUTATI...

    Text Solution

    |

  16. How many words beginning with vowels can be formed with the letters of...

    Text Solution

    |

  17. What is the number of odd integers between 1000 and 9999 with no digit...

    Text Solution

    |

  18. A five digits number divisible by 3 is to be formed using the number 0...

    Text Solution

    |

  19. Out of 15 points in a plane, n points are in the same straight line. 4...

    Text Solution

    |

  20. What is the number of different messages that can be represented by th...

    Text Solution

    |

  21. What is the number of four-digit decimal numbers ( lt 1) in which no d...

    Text Solution

    |