Home
Class 14
MATHS
A two-digit number is 9 more than four t...

A two-digit number is 9 more than four times of the number obtained by interchanging its digits. If the product of digits in the two-digit number is 8, then what is the number?

A

81

B

42

C

24

D

18

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

Seven xx a two-digit number is equal to four xx the number obtained by reversing the digits.If the difference between the digits is 3. Find the number.

The difference between a two-digit number and the number obtained by interchanging the two digits of the number is 18. The sum of the two digits of the number is 12. What is the product of the digits of two-digit number?

The sum of a two-digit number and the number obtained by interchanging the digits is 110. The difference between the digits is 4. What is the number?

Seven times a two -digit number is equal to four times the number obtained by reversing the order of its digits. If the difference between the digits is 3, find the number.

Sum of the digits of a two-digit number is 11. The given number is less than the number obtained by interchanging the digits by 9. Find the number.

Let a two-digit number be k times the sum of its digits. If the number formed by interchanging the digits is m times the sum of the digits, then the value of m is

GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. The value of (1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+..... +(1)/(99xx100) is

    Text Solution

    |

  2. What is the value of/का मान क्या है? 1/(3xx7)+1/(7xx11)+1/(11xx15)+......

    Text Solution

    |

  3. Find the value of the expression: (1/(2^2-1)+1/(4^2-1)+1/(6^2-1)........

    Text Solution

    |

  4. The value of (1)/(15) + (1)/(35) + (1)/(63) + (1)/(99) + (1)/(143) is

    Text Solution

    |

  5. What is the sum of 1 1/2+4 1/6+7 1/12+10 1/20.....up to 20 terms? 1 ...

    Text Solution

    |

  6. By adding 3 and 5 in numerator and denominator of a fraction it become...

    Text Solution

    |

  7. The numerator of a fraction is 3 more than the denominator. When 5 is ...

    Text Solution

    |

  8. The denominator of a fraction is 4 more than twice the numerator. When...

    Text Solution

    |

  9. The numerator of a fraction is 6 less than its denominator. If 1 is su...

    Text Solution

    |

  10. There is a number consisting of two digits, the digit in the units pla...

    Text Solution

    |

  11. A two-digit number is 9 more than four times of the number obtained by...

    Text Solution

    |

  12. Let XYZ be a 3-digit number.Let S=XYZ+YZX+ZXY. Which of the following ...

    Text Solution

    |

  13. If a certain number of two digits is divided by the sum of its digits,...

    Text Solution

    |

  14. A number consists of two digits such that the digit in the ten's plac...

    Text Solution

    |

  15. When a two-digit number is multiplied by the sum of its digits, the pr...

    Text Solution

    |

  16. The sum of the digits of a two-digit number is 1/7 of the number. The ...

    Text Solution

    |

  17. Three numbers are in Arithmetic Progression (AP) whose sum is 30 and t...

    Text Solution

    |

  18. The value of 1 + 3 + 5 + 7 + ……………. (2n - 1) is: 1 + 3 + 5 + 7 + ………...

    Text Solution

    |

  19. What is the sum of the first 13 terms of an arithmetic progression, if...

    Text Solution

    |

  20. The harmonic mean and the geometric mean of two numbers are 10 and 12 ...

    Text Solution

    |