Home
Class 10
MATHS
A two-digit number is 3 more than 4 time...

A two-digit number is 3 more than 4 times the sum of its digits. If 18 is added to the number, the digits are reversed. Find the number.

Text Solution

Verified by Experts

The correct Answer is:
`10 x + y=3 + 4 (x+y) and 10x + y + 18 =10 y +x`
Promotional Banner

Topper's Solved these Questions

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE (LONG ANSWER QUESTIONS)|20 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise SELF-ASSESSMENT TEST|11 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE ( SHORT ANSWER QUESTIONS I)|14 Videos

  • MODEL QUESTION PAPER-6

    VK GLOBAL PUBLICATION|Exercise SECTION-D|7 Videos

  • POLYNOMIALS

    VK GLOBAL PUBLICATION|Exercise SELF-ASSESSMENT TEST|11 Videos

Similar Questions

Explore conceptually related problems

A two-digit number is 3 more than 4 xx the sum of its digits.If 18 is added to the number, the digits are reversed.Find the number.

A two-digit number is 4 more than 6 xx the sum of its digits.If 18 is subtracted from the number,the digits are reversed.Find the number.

A two-digit number is 4 xx the sum of its digits.If 18 is added to the number,the digits are reversed.Find the number.

A number consisting of two digits is seven times the sum of its digits. When 27 is subtracted from the number, the digits are reversed. Find the number.

A three digit number is equal to 17 times the sum of its digits. If 198 is added to the number, the digits get reserved. The sum of the extreme digits is 1 less than the midle digit. Find the number.

A two digit number is such that the product of the digits is 14. When 45 is added to the number,then the digits are reversed.Find the number.

VK GLOBAL PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES -PROFICIENCY EXERCISE ( SHORT ANSWER QUESTIONS II)
  1. Find the solution of the pair of equations (x)/(10) + (y)/(5) - 1 = 0 ...

    Text Solution

    |

  2. Find the values of a and b for which the following pair of equations h...

    Text Solution

    |

  3. Given the linear equation 3x - 2y + 7 =0, write another linear equatio...

    Text Solution

    |

  4. If the angles of a triangle are x, y and 40^(@) and the difference bet...

    Text Solution

    |

  5. Draw the graph of the pair of equations x - 2y =4 and 3x + 5y =1. Writ...

    Text Solution

    |

  6. If (x+1) is a factor of 2x^(3)+ax^(2)+2bx+1, then find the value of a ...

    Text Solution

    |

  7. The angles of a cylic quadrilateral ABCD are angle A =(2x +4)^(@), an...

    Text Solution

    |

  8. A two-digit number is 3 more than 4 times the sum of its digits. If 18...

    Text Solution

    |

  9. Solve the following system of equations by method of cross-multipli...

    Text Solution

    |

  10. Find whether for following pairs of equations are consistent or not by...

    Text Solution

    |

  11. The age of the father is twice the sum of the ages of his two children...

    Text Solution

    |

  12. There are some students in the two examination halls A and B. To make ...

    Text Solution

    |

  13. Solve the following system of equation: √2x – √3y = 0 ; √3x − √8...

    Text Solution

    |

  14. The larger of two supplementary angles exceeds thrice the smaller by 2...

    Text Solution

    |

  15. Solve graphically each of the following systems of linear equations. A...

    Text Solution

    |

  16. Solve graphically each of the following systems of inear equations. A...

    Text Solution

    |

  17. IF 3x +5Y = 9 and 5x + 3y =7 then find the value of x+y

    Text Solution

    |

  18. Half the perimeter of a rectangular garden, whose length is 4 m mor...

    Text Solution

    |

  19. Two numbers are in the ratio of 1:3. If 5 is added to both the numbers...

    Text Solution

    |

  20. A's age is seven times B's age. Four years hence, the age of A will be...

    Text Solution

    |