Home
Class 12
MATHS
The digits in units's place of number (1...

The digits in units's place of number `(10^(2013)-1)/(10^33-1)` is._____________.

Text Solution

Verified by Experts

The correct Answer is:
1

`(10^(2013)-1)/(10^(33)-1)=((10^(33))^(61)-1)/(10^(33)-1)`
`=((10^(33))^(60)+(10^(33))^(58)+..+(10^(33))+1)`
Thus, the digit in unit place is 1
Promotional Banner

Topper's Solved these Questions

  • PROGRESSION AND SERIES

    CENGAGE|Exercise JEE Main Previous Year|12 Videos
  • PROGRESSION AND SERIES

    CENGAGE|Exercise JEE Advanced Previous Year|16 Videos
  • PROGRESSION AND SERIES

    CENGAGE|Exercise EXERCIESE ( MATRIX MATCH TYPE )|3 Videos
  • PROBABILITY II

    CENGAGE|Exercise JEE Advanced Previous Year|25 Videos
  • PROPERTIES AND SOLUTIONS OF TRIANGLE

    CENGAGE|Exercise JEE Advanced Previous Year|11 Videos

Similar Questions

Explore conceptually related problems

There are 720 permutations of the digits 1, 2, 3, ,4 5, 6. Suppose these permutations are arranged from smallest to largest numerical values, beginning from 123456 and ending with 654321. Then the digit in unit place of number at 267th position is________.

Find the modulus of the complex number (1 - i)^(10)

The sum of the digits in the unit's place of all the 4-digit numbers formed by 3,4,5 and 6, without repetition , is

The number of three-digit numbers having only two consecutive digit identical N , then the value of (N//2)^(1//2) is _______.

The diagonal of a squar formed by the points (1,0),(0,1) and (-1,0) is

CENGAGE-PROGRESSION AND SERIES-Exercise (Numerical)
  1. Let an= 16,4,1,… be a geometric sequence .Define Pn as the product of ...

    Text Solution

    |

  2. The terms a1, a2, a3 from an arithmetic sequence whose sum s 18. The t...

    Text Solution

    |

  3. Let the sum of first three terms of G.P. with real terms be 13/12 and ...

    Text Solution

    |

  4. The first term of an arithmetic progression is 1 and the sum of the fi...

    Text Solution

    |

  5. The digits in units's place of number (10^(2013)-1)/(10^33-1) is..

    Text Solution

    |

  6. The number of positive integral ordered pairs of (a ,b) such that 6,a ...

    Text Solution

    |

  7. If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic oprogresi...

    Text Solution

    |

  8. Given a,b,c are in A.P.,b,c,d are in G.P and c,d,e are in H.P .If a=2 ...

    Text Solution

    |

  9. Let Sk be sum of an indinite G.P whose first term is 'K' and commmon r...

    Text Solution

    |

  10. The value of the sum Sigma(i=1)^(20) i(1/i+1/(i+1)+1/(i+2)+.....+1/(20...

    Text Solution

    |

  11. The difference between the sum of the first k terms of the series 1^3+...

    Text Solution

    |

  12. The value of the Sigma(n=0)^(oo) (2n+3)/(3^n) is equal to .

    Text Solution

    |

  13. The sum of the infinite Arithmetico -Geometric progression3,4,4,… is .

    Text Solution

    |

  14. Sigma(r=1)^(50)(r^2)/(r^2+(11-r)^2) is equal to .

    Text Solution

    |

  15. If Sigma(r=1)^(50) (r^2)/(r^2+(11-r)^2), then the value of n is

    Text Solution

    |

  16. Let lt an gt be an arithmetic sequence of 99 terms such that sum of it...

    Text Solution

    |

  17. Find the sum of series upto n terms ((2n+1)/(2n-1))+3((2n+1)/(2n-1))^2...

    Text Solution

    |

  18. Let S=Sigma(n=1)^(999) (1)/((sqrt(n)+sqrt(n+1))(4sqrt(n)+4sqrtn+1)) , ...

    Text Solution

    |

  19. Let S denote sum of the series 3/(2^3)+4/(2^4 .3)+5/(2^6 .3)+6/(2^7 .5...

    Text Solution

    |

  20. The sum (7)/(2^2xx5^2)+13/(5^2xx8^2)+19/(8^2xx11^2)+…10 terms is S, th...

    Text Solution

    |