Home
Class 14
MATHS
Find the value of (p^2+q^2)/(r^2+s^2), i...

Find the value of `(p^2+q^2)/(r^2+s^2)`, if p:q:: r:s.

A

0.25

B

1

C

pq/rs

D

`((p-q)/(r-s))^2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROFIT , LOSS AND DISCOUNT

    QUANTUM CAT|Exercise QUESTION BANK|205 Videos

  • SEQUENCE, SERIES & PROGRESSIONS

    QUANTUM CAT|Exercise QUESTION BANK|243 Videos

Similar Questions

Explore conceptually related problems

Find the value if (p^(2)+q^(2))/(r^(2)+s^(2)) if p:q: : r:s

If p = -2, q = - 1 and r = 3, find the value of (i) p^(2) + q^(2) - r^(2) (ii) 2p^(2) - q^(2) + 3r^(2) (iii) p - q - r (iv) p^(3) + q^(3) + r^(3) + 3 pqr (v) 3p^(2) q + 5pq^(2) + 2 pqr (vi) p^(4) + q^(4) - r^(4)

If x=q+r +s, y = r +s -p and z= p+q +r then the value of x^(2) +y^(2) +z^(2) -2xy -2xz +2yz is

If p, q, r are the roots of the equation x^3 -3x^2 + 3x = 0 , then the value of |[qr-p^2, r^2 , q^2],[r^2,pr-q^2,p^2],[q^2,p^2,pq-r^2]|=

If (p ^(2) + q ^(2)) // (r ^(2) + s ^(2)) = (pq) //(rs), then what is the value of (p-q)/(p+q) in terms of r and s ?

If p = 4, q= 3 and r = -2 find the value of p^(2)+q^(2)-r^(2)

Find the value of (a^(p)/a^(q))^(p+q-r)xx(a^(r)/a^(p))^(r+p-q)xx(a^(q)/a^(r))^(q+r-p)

In the given quadrilateral ABCD , p^(@)+ q^(@)=100^(2) , a^(@)=140^(@) and r^(@)=1/2(a^(2)+q^(@)) . Find the angles p^(@), q^(@), r^(@) and s^(@) .

QUANTUM CAT-RATIO, PROPORTION & VARIATION-QUESTION BANK
  1. For any two numbers (m+n) : (m-n) : mn = 7 : 1: 60, then find the valu...

    Text Solution

    |

  2. Rs. 960 were distributed among A,B,C and D in such a way that C and D ...

    Text Solution

    |

  3. Find the value of (p^2+q^2)/(r^2+s^2), if p:q:: r:s.

    Text Solution

    |

  4. Find the value of (p^2+q^2)/(r^2+s^2), if p:q:: r:s.

    Text Solution

    |

  5. The speeds of rickshaw, car and scooter are in the ratio of 3:5:6. Wha...

    Text Solution

    |

  6. Divide Rs. 6940 in such a way that a ges 2/3 rd of what B gets and B g...

    Text Solution

    |

  7. The ratio of age of A and B is x:y. If A's age is increased by 3 years...

    Text Solution

    |

  8. a : b=4 : 9 if 4 is added to both of the numbers then the new ratio be...

    Text Solution

    |

  9. The ratio of ages of Rahul and Deepesh is 3:5, 10 years later this rat...

    Text Solution

    |

  10. A fraction becomes 4 when 1 is added to both the numerator and denomin...

    Text Solution

    |

  11. Five numbers a,b,c,d and e are in the ratio of 2:3:5:8:9 and their sum...

    Text Solution

    |

  12. 6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps of ...

    Text Solution

    |

  13. 16 persons can reap 1/5th field in 6 days. How many persons (with same...

    Text Solution

    |

  14. The LCM of two numbers is 210 and their ratio is 2:3. The sum of these...

    Text Solution

    |

  15. What number must be subtracted from each of the numbers 53, 21, 41, 17...

    Text Solution

    |

  16. The angles of a triangle are in the ratio of 2:3:4. Find the

    Text Solution

    |

  17. In a wallet ratio of 25 paise, 50 paise and Re 1 coins are in the rati...

    Text Solution

    |

  18. (x-a):(x-b):(x-c)=11 :9 : 5, where x=(a+b+c)/2. What is the ratio of a...

    Text Solution

    |

  19. Petrol is 7 times heavy than Kerosene and Castrol mobil is 18 times as...

    Text Solution

    |

  20. A girl buys 2 pigeons for ₹ 182. She sells one at a loss of 5% and ano...

    Text Solution

    |