Home
Class 9
MATHS
If P and Q^(2) are in direct proportio...

If P and ` Q^(2) ` are in direct proportion. If Q doubles then P becomes _______ .

Text Solution

Verified by Experts

The correct Answer is:
4 times itself
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Short Answer Type Questions|15 Videos
  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Questions|5 Videos
  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Leval 3|10 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 and s are in proportion then p/q = _________

P and Q's expenditures are in proportion to the ratio of their incomes. P's income is ₹ 32000 and his expenditure is ₹ 24000. if Q's expenditure is ₹ 36000, then find the income of Q.

if P+Q+P-Q ,then

The resultant vector of vec(P) and vec(Q) is vec(R) . On reversing the direction of vec(Q) , the resultant vector becomes vec(S) . Show that : R^(2) +S^(2) = 2(P^(2)+Q^(2))

If p,q,r,s are proportional then ((p-q)(p-r))/(p)=

PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-Very Short Type Questions
  1. The numbers 4, 7, 8 and 14 are in proportion. (True/False)

    Text Solution

    |

  2. Express the ratio 1. 5 litres : 250 ml in the lowest terms.

    Text Solution

    |

  3. If P and Q^(2) are in direct proportion. If Q doubles then P become...

    Text Solution

    |

  4. If 10 men can do a certain amount of work in 6 days, 15 men can do t...

    Text Solution

    |

  5. x varies directly as the cube of y, x is 32 when y is 4, then what i...

    Text Solution

    |

  6. A varies inversely as the square of B and A is 1, when B is 3. What ...

    Text Solution

    |

  7. Express the ratio 3/5 : 7/9 in the lowest terms.

    Text Solution

    |

  8. The mean proportional between 4 and 8 is 6. (True/False)

    Text Solution

    |

  9. If 7 3/4 : 11 2/3 = 93 : ( 2x + 10), then what is the value of x ?

    Text Solution

    |

  10. If x : y = 5 : 6 and y : z = 3 : 7 , then find x : z.

    Text Solution

    |

  11. If a : b =2 : 3 ," then find "(3a - b) : ( 2a+ 3b).

    Text Solution

    |

  12. Two numbers are in the ratio 3 : 4 When 7 is added to each, the r...

    Text Solution

    |

  13. What is the compounded ratio of 6 1/2 : 8 2/3 and 3 3/4 : 5 1/3?

    Text Solution

    |

  14. If (x + 2) , 3, (3x-4) and 6 are in proportion, Find x .

    Text Solution

    |

  15. Find the fourth proportional of 4, 9 and 12.

    Text Solution

    |

  16. Write a ratio equal to 7 : 9 in which antecedent is 63.

    Text Solution

    |

  17. If a/b = c/d = e/f = 2/5, then (3a+4c+9e)/(3b+4d+9f) = .

    Text Solution

    |

  18. If (3a+2b) : (5a+7b) = 1:2 , then find a : b.

    Text Solution

    |

  19. Arrange the ratios 4 : 5, 6 : 7, 2 : 3 and 10 : 11 in the increasing...

    Text Solution

    |

  20. A certain sum of money is distributed among A, B and C in the ratio of...

    Text Solution

    |