Home
Class 12
MATHS
The number of natural numbers less than ...

The number of natural numbers less than 7,000 which can be formed by using the digits 0, 1, 3, 7, 9 (repetition of digits allowed) is equal to

A

250

B

374

C

372

D

375

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

How many odd numbers less than 1000 can be formed by using the digits 0, 3, 5, 7 when repetition of digits are not allowed.

The number less than 1000 that can be formed using the digits 0, 1, 2, 3, 4, 5 when repetition is not allowed is equal to a. 130 b. 131 c. 156 d. 155

The sum of all four-digit numbers that can be formed by using the digits 2, 4, 6, 8 (when repetition of digits is not allowed) is a. 133320 b. 5333280 c. 53328 d. none of these

The number of positive integers less than 40,000 that can be formed by using all the digits 1, 2, 3, 4 and 5 is equal to

How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

Count the number of three - digit numbers which can be formed from the digits 2,4,6,8, if (i) repetitions of digits is allowed ? (ii) repetitions of digits is not allowed ?

Find the three-digit odd numbers that can be formed by using the digits 1, 2, 3, 4, 5, 6 when the repetition is allowed.

CENGAGE-JEE 2019-MCQ
  1. Consider a class of 5 girls and 7 boys. The number of different teams ...

    Text Solution

    |

  2. Let S be the set of all triangles in the xy-plane, each having one ver...

    Text Solution

    |

  3. The number of natural numbers less than 7,000 which can be formed by u...

    Text Solution

    |

  4. If set A={1, 2, 3, 2 }, then the find the number of onto functions fro...

    Text Solution

    |

  5. Let S={1,2,3, …, 100}. The number of non-empty subsets A to S such tha...

    Text Solution

    |

  6. Consider three boxes, each containing 10 balls labelled 1, 2, …, 10. S...

    Text Solution

    |

  7. Let Z be the set of integers. If A = {x in Z : 2^((x + 2)(x^(2) - 5x +...

    Text Solution

    |

  8. There are m men and two women participating in a chess tournament. Eac...

    Text Solution

    |

  9. If the fractional part of the number (2^(403))/(15) is (k)/(15) then k...

    Text Solution

    |

  10. The coefficient of t^4 in ((1-t^6)/(1-t))^3 (a) 18 (b) 12 ...

    Text Solution

    |

  11. If Sigma(i=1)^(20) ((""^(20)C(i-1))/(""^(20)C(i)+""^(20)C(i-1)))^(3)=(...

    Text Solution

    |

  12. If the third term in expansion of (1+x^(log2x))^5 is 2560 then x is eq...

    Text Solution

    |

  13. The positive value of lambda for which the coefficient of x^(2) in the...

    Text Solution

    |

  14. If Sigma(r=0)^(25) (""^(50)C(r)""^(50-r)C(25-r))=K(""^(50)C(25)), th...

    Text Solution

    |

  15. If the middle term of the expansion of (x^3/3+3/x)^8 is 5670 then sum ...

    Text Solution

    |

  16. The value of r for which .^(20)C(r ), .^(20)C(r - 1) .^(20)C(1) + .^...

    Text Solution

    |

  17. Let (x+10)^(50)+(x-10)^(50)=a(0)+a(1)x+a(2)x^(2)+...+a(50)x^(50) for a...

    Text Solution

    |

  18. Let S(n) = 1 + q + q^(2) +...+ q^(n) and T(n) = 1 + ((q +1)/(2)) + ((q...

    Text Solution

    |

  19. Ratio of the 5^(th) term from the beginning to the 5^(th) term from th...

    Text Solution

    |

  20. If ""^(n)C(4),^(n)C(5)" and "^(n)C(6) are in A.P. then find n.

    Text Solution

    |