Home
Class 10
MATHS
Form the pair of linear equations In the...

Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days she has to pay ? 1000 as hostel charges whereas a student B, who takes food for 26 days, pays ? 1180 as hostel charges. Find the fixed charges and the cost of food per day.

Promotional Banner

Topper's Solved these Questions

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    MBD|Exercise EXERCISE|183 Videos

  • INTRODUCTION TO TRIGONOMETRY

    MBD|Exercise EXERCISE|176 Videos

  • POLYNOMIALS

    MBD|Exercise EXERCISE|51 Videos

Similar Questions

Explore conceptually related problems

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : A part of monthly hostel charges in a college are fixed and remaining depend on number of days one has taken food in the mess. When a student A takes food for 20 days, he has to pay rs 1000 as hostel charges whereas student B who takes food for 26 days has to pay rs 1180 as hostel charges. Find fixed charges and cost of food per day.

Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- for which value of k the following linear pair of equations have no solution ? 3x + y=1 and (2k-1)x+(k- 1)y= 2k+1.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-A fraction becomes 3/4 if 1 is subtracted from denominator. If 3 is added to both the numerator and denominator, it becomes 5/6 . Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- The ratio of incomes of two persons is 9 : 7 and ratio of their expenditures is 4 : 3. If each of them saves ? 200 per month. Find their monthly incomes.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : There are rs 2 and rs 5 coins in a purse. If there are 60 coins of value rs 195, find the number of coins of each kind.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-A number consisting of two-digits, is equal to 7 times the sum of its digits. When 27 is subtracted from the number, the digits interchange their places. Find the number

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- A two digit number is obtained by either multiplying the sum of the digits by 8 and adding 1, or by multiplying the difference of the digits by 13 and adding 2. Find the number.

MBD-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Form the pair of linear equations In the following problems and find t...

    Text Solution

    |

  2. 4 chairs and 3 tables cost ? 2100 and 5 chairs and 2 tables cost ? 175...

    Text Solution

    |

  3. Two years ago a father was five times as old as his son. Two years lat...

    Text Solution

    |

  4. 9 pens and 5 pencils cost rs.154 and 13 pens and 7 pencils cost rs.222...

    Text Solution

    |

  5. Ram says to his son, 5 years ago, I was 7 times as old as you were an...

    Text Solution

    |

  6. Puneet Sharma starts his job in a school with a certain monthly salary...

    Text Solution

    |

  7. Deepak buy 2 tickets from station A to station B and 3 from station A ...

    Text Solution

    |

  8. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  9. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  10. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  11. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  12. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  13. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  14. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  15. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  16. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  17. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  18. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  19. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

    Text Solution

    |

  20. Which of the following pairs of linear equations are consistent ? Obta...

    Text Solution

    |

  21. Which of the following pairs of linear equations are consistent ? Obta...

    Text Solution

    |