Home
Class 14
MATHS
If the sum of the digits of a number 10^...

If the sum of the digits of a number `10^(n) - 1`, where n is a natural number, is equal to 3798, then what is the value of n ?

A

421

B

422

C

423

D

424

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MIXTURE

    GAGAN PRATAP |Exercise Questions|54 Videos

  • PARTNERSHIP

    GAGAN PRATAP |Exercise Multiple Choice Questions|41 Videos

Similar Questions

Explore conceptually related problems

If the sum of the digits of a number (10^(n)-1) is 4707, where n is a natural number,then the value of n is :

What is the last digit of 3^(3n)+1, where n is a natural number?

The sum of the digits of a natural number (10^(n)-1) is 4707, where n is a natural number.The value of n is 477 (b) 523 (c) 532 (d) 704

Let sigma(n) denotes the sum of digits of a natural number n .If N is the smallest natural number such that sigma(N)=2020 , then find the value of sigma(5N+2021)

Find the unit digit of the expression 199^(2n)+144^(3n) , where n is a natural number.

Sum of square of n natural number

If the variance of first n even natural numbers is 133, then the value of n is equal to

GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. Suppose n is a positive integer such that (n^2 + 48) is a perfect squa...

    Text Solution

    |

  2. What is the sum of all integer values of n for which n^2 + 19n +92 is ...

    Text Solution

    |

  3. If the sum of the digits of a number 10^(n) - 1, where n is a natural...

    Text Solution

    |

  4. The sum of two positive numbers is 14 and difference between their squ...

    Text Solution

    |

  5. If the difference between two numbers is 6 and the difference between ...

    Text Solution

    |

  6. If the product of three consecutive positive integers is 15600, then t...

    Text Solution

    |

  7. The sum of the squares to two natural consecutive odd numbers is 394. ...

    Text Solution

    |

  8. Let a,b and c be the fractions such that a lt b lt c. If c is divided ...

    Text Solution

    |

  9. If I = a^(2) + b^(2) + c^(2) where a and b are consecutive integers an...

    Text Solution

    |

  10. If a number is divisible by both 11 and 13, then it must be necessaril...

    Text Solution

    |

  11. 83462*704 is divisible by 3, then the sum of possible digits in place ...

    Text Solution

    |

  12. The largest number which could replace * in the 2365*4 to make the num...

    Text Solution

    |

  13. If the number 1005x4 is completely divisible by 8 , then the smallest ...

    Text Solution

    |

  14. If 746832*71 is divisible by 9, then the digit in place of * is:

    Text Solution

    |

  15. How many pairs of X and Y are possible in the number 763X4Y2, if the n...

    Text Solution

    |

  16. If 8947A56B1 is divisible by 9, where B is an odd number. Find the sum...

    Text Solution

    |

  17. Find the remainder when 123456789101112 . . . is 97- digit number di...

    Text Solution

    |

  18. What is the least value of x such that 517x324 is divisible by 12? ...

    Text Solution

    |

  19. If 11-digit number 543247 x 968y is divisible by 90, then the value of...

    Text Solution

    |

  20. What is the value of x so that the seven digit number 5656x52 is divis...

    Text Solution

    |