Home
Class 9
MATHS
If p : q :r :s = 3 : 4 : 7 : 8 and p+s=...

If ` p : q :r :s = 3 : 4 : 7 : 8 and p+s=55`, then find q + r.

A

33

B

55

C

44

D

66

Text Solution

Verified by Experts

The correct Answer is:
B

Let p, q, r and s be 3x, 4x, 7x and 8x.
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Leval 2|20 Videos
  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Leval 3|10 Videos
  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Questions|5 Videos
  • QUADRATIC EXPRESSIONS AND EQUATIONS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|23 Videos
  • SALES TAX AND COST OF LIVING INDEX

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|14 Videos

Similar Questions

Explore conceptually related problems

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

If P: Q = 2 : 3 , Q : R = 5 : 7 and R : S = 3 : 10 then P : S = ?

If P: Q =8.15 and Q:R =3:2 , then find P:Q:R

In Fig. 6.43, if P Q_|_P S , P Q|| S R , /_S Q R=28^@ and /_Q R T=65^@ , then find the values of x and y.

If p, q and r are perpendicular to q + r, r + p and p + q respectively and if |p + q| = 6, |q + r| = 4sqrt(3) and |r + p| = 4, then |p + q + r| is

A = [[p,q],[r,s]] where p, q, r and s are positive integers. If A is symmetric matrix, |A|=20 and p = q, then find how many values are possible for s.

If p:q=3:4 and q:r=8:9 then p:r is

If A = {p,q,r, s} and B = {1, 2, 3} , find which of the following is not a function from A to B? A. R_1={(p,1),(q,2),(r,1),(s,2)} B. R_2={(p,1),(q,1),(r,1),(s,1)} C. R_3={(p,1),(q,2),(p,2),(s,3)} D. R_4={(p,2),(q,3),(r,2),(s,2)} ANSWER: C

PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-Leval 1
  1. What number must be added to each term of the ratio 9 : 11, so that i...

    Text Solution

    |

  2. A purse contains Rs. 50, Rs.10 and Rs. 5 notes in the ratio 6 : 3 : ...

    Text Solution

    |

  3. If p : q :r :s = 3 : 4 : 7 : 8 and p+s=55, then find q + r.

    Text Solution

    |

  4. A metal X is 15 times as donse as matal Z and a metal Y is 8 times as ...

    Text Solution

    |

  5. What must be added to each of the numbers 3, 7, 8 and 16 so that resul...

    Text Solution

    |

  6. The cost of 570 bags of rice is Rs. 17,100. Find the number of bags o...

    Text Solution

    |

  7. If x, y and z are in continued proportion, then (x + y + z)(x-y+z) = ...

    Text Solution

    |

  8. Seven friends planned a tea party. The expenses per boy in rupees is n...

    Text Solution

    |

  9. If a, b and c are in continued proportion, then a^(2) : b^(2) is

    Text Solution

    |

  10. A metal X is 16 times as dense as matal Z and metal Y is 7 times as d...

    Text Solution

    |

  11. The velocity of a freely falling body when it strikes the ground is d...

    Text Solution

    |

  12. The ratio of the number of students in two classrooms, C(1) and C(2),...

    Text Solution

    |

  13. Rakesh attended a party, where a lady asked him his age. He said tha...

    Text Solution

    |

  14. The mean proportional between two numbers is 56. If the third proport...

    Text Solution

    |

  15. The speed at which a person runs is directly proportional to the blo...

    Text Solution

    |

  16. A father want to divide Rs. 22,515 among his four sons P, Q, R and S ...

    Text Solution

    |

  17. The mean proportion of two numbers is 24 and their third proportion is...

    Text Solution

    |

  18. If 40 men can complete a job in 6 days, then find the number fo days ...

    Text Solution

    |

  19. The cost of a precious stone varies as the cube of its weight. The st...

    Text Solution

    |

  20. A diamond falls and breaks into pieces whose weights are in the ratio ...

    Text Solution

    |