Home
Class 14
MATHS
If x: y=3:2 and x+y=90. Then the value 7...

If x: y=3:2 and x+y=90. Then the value 7(x - y): (x + y) is:
यदि x: y=3:2 और x+y=90 है। तो मान 7(x - y): (x + y) मान है:

A

a)`7 :5`

B

b)`2:3`

C

c)`7 :9`

D

d)`7:6`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If x:y = 3:2 and x+y = 90, then the value of (x-y) is: यदि x:y = 3:2 और x+y = 90 है, तो (x-y) का मान है:

If x + y = 15 and xy = 14, then the value of x - y is: यदि + y = 15 और xy = 14 है, तो x - y का मान है:

If xy = 16 and x^2+y^2=32 , then the value of (x + y) is: यदि xy = 16 and x^2+y^2=32 है, तो (x + y) का मान है:

If x + y = 52 and x - y = 20, then find the value of x : y. यदि x + y = 52 तथा x - y = 20 है, तो x : y का मान कितना है?

If x-y = 13 and xy = 25, then the value of x^2-y^2 =? यदि x-y = 13 और xy = 25 है, तो x^2-y^2 =?

If 8x^2+y^2- 12x - 4xy + 9= 0 , then the value of (14x - 5y) is: यदि 8x^2+y^2- 12x - 4xy + 9= 0 है, तो (14x - 5y) का मान ज्ञात करें |

If 2x-y = 7 and x-y = 6, then value of x and y will be

If x + y = 7 and xy = 10, then the value of x^3+y^3 is: यदि x + y = 7 तथा xy = 10 है, तो x^3+y^3 का मान क्या होगा ?

If x + y = 12 and xy = 27, x > y, then the value of (x^3-y^3) is: यदि x + y = 12 है और xy = 27 है, जहाँ x > y, तो (x^3-y^3) का मान क्या होगा ?

If x - y = 4 and xy = 45, then the value of x^3-y^3 is : यदि x - y = 4 तथा xy = 45 है, तो x^3-y^3 का मान होगा :

PINNACLE-RATIO & PROPORTION-EXERCISE
  1. If a:b = 3:5 and b:c = 2:3, then the proportion a:b:c is: यदि a: b =...

    Text Solution

    |

  2. Six years ago, the average of the ages of Ravi, Mohan and Govind was 3...

    Text Solution

    |

  3. If x: y=3:2 and x+y=90. Then the value 7(x - y): (x + y) is: यदि x:...

    Text Solution

    |

  4. Dividing the amount Rs18,144 among three people A, B, C in the ratio 3...

    Text Solution

    |

  5. Two numbers are respectively 25% and 65% more than a third number. The...

    Text Solution

    |

  6. If an amount of 800 is distributed between Ravi, Mohan and Govind in t...

    Text Solution

    |

  7. In a bag, white marbles and red marbles are in the ratio of 3 : 5. If ...

    Text Solution

    |

  8. The ratio of the areas of two squares is 16: 1. Find the ratio between...

    Text Solution

    |

  9. The fourth proportional to 10, 12, 15 is: 10, 12, 15 का चौथा आनुपाति...

    Text Solution

    |

  10. The proportion among three numbers is 3 : 4 : 5 and their LCM is 1800....

    Text Solution

    |

  11. What number must be added to each of the numbers 8, 13, 26 and 40 so t...

    Text Solution

    |

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

    Text Solution

    |

  13. The ratio of the number of men and women in a factory is 14: 19. If th...

    Text Solution

    |

  14. The ratio of present ages (in years) of a father and son is 15 : 8. Si...

    Text Solution

    |

  15. The salaries of Vipin and Dinesh are in the ratio 5 : 8. If the salary...

    Text Solution

    |

  16. When 50% of a number A is added to B, the second number B increases by...

    Text Solution

    |

  17. If (a+3b):(2a+4b)=3:5, then (a-b):(a+b) is equal to: यदि (a+3b):(2a+...

    Text Solution

    |

  18. The average age of a man and his son is 60 years. The ratio of their a...

    Text Solution

    |

  19. Two numbers A and B are, respectively, 80% and 20% more than a third n...

    Text Solution

    |

  20. The perimeter of a rectangular field is 32 meters and its sides are in...

    Text Solution

    |