Home
Class 6
MATHS
If a ,\ b ,\ c are in proportion, then a...

If `a ,\ b ,\ c` are in proportion, then `a^2=b c` (b) `b^2=a c` (c) `c^2=a b` (d) None of these

A

a = bc

B

b = ac

C

c = ab

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND UNITARY METHOD

    RS AGGARWAL|Exercise TEST PAPER-10|19 Videos

  • RATIO, PROPORTION AND UNITARY METHOD

    RS AGGARWAL|Exercise EXERCISE 10C|19 Videos

  • QUADRILATERALS

    RS AGGARWAL|Exercise EXERCISE B (OBJECTIVE QUESTIONS)|10 Videos

  • SIMPLIFICATION

    RS AGGARWAL|Exercise Exercise|2 Videos

Similar Questions

Explore conceptually related problems

If a,b,c are in proportion,then a^(2)=bc(b)b^(2)=ac(c)c^(2)=ab(d) None of these

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

If a ,\ b ,\ c are in proportion, then (a) a : b :: b : c (b) a : b :: c : a c) a : b :: c : b (d) a : c :: b : c

If a,b,c,d are in proportion then prove that sqrt((a^2+5c^2)/(b^2+5d^2))=a/b

In a A B C , A D is the bisector of /_B A C . If A B=6c m , A C=5c m and B D=3c m , then D C= 11. 3 c m (b) 2. 5 c m (c) 3:5c m (d) None of these

If a,b,c,d are in continued proportion,prove that: a:b+d=c^(3):c^(2)d+d^(3).

If a, b, c are real and x^3-3b^2x+2c^3 is divisible by x -a and x - b, then (a) a =-b=-c (c) a = b = c or a =-2b-_ 2c (b) a = 2b = 2c (d) none of these

2. If A={a,b,c} and R={(a, a),(a, b),(a, c), (b, c)}be a relation on A, then R is(a) reflexive (b) transitive (C) symmetric (d) none of these Tatooidh... TU

The distance of the point P(a ,\ b ,\ c) from the x-axis is a. sqrt(b^2+c^2) b. sqrt(a^2+c^2) c. sqrt(a^2+b^2) d. none of these

If a, b, c, d are in GP, prove that (b-c)^(2)+(c-a)^(2)+(d-b)^(2)=(a-d)^(2) .

RS AGGARWAL-RATIO, PROPORTION AND UNITARY METHOD-EXERCISE 10D
  1. If 4:5::X:35, then the value of x is

    Text Solution

    |

  2. If a, b, c, d are in proportion, then

    Text Solution

    |

  3. If a ,\ b ,\ c are in proportion, then a^2=b c (b) b^2=a c (c)...

    Text Solution

    |

  4. Choose the correct statement:

    Text Solution

    |

  5. If ₹ 760 is divided between A and B in the ratio 8:11, then B's share ...

    Text Solution

    |

  6. Two numbers are in the ratio 5 : 7 and the sum of these numbers is 252...

    Text Solution

    |

  7. The sides of a triangle are in the ratio 1 : 3:5 and its perimeter is ...

    Text Solution

    |

  8. The ratio of boys and girls in a school is 12: 5. If the number of gir...

    Text Solution

    |

  9. If the cost of 12 pens is ₹ 138, then the cost of 14 such pens is

    Text Solution

    |

  10. If 24 workers can build a wall in 15 days, how many days will 8 worker...

    Text Solution

    |

  11. If 40 men can finish a piece of work in 26 days, how many men will be ...

    Text Solution

    |

  12. In covering 111 km, a car consumes 6 L of petrol. How many kilometres ...

    Text Solution

    |

  13. In a fort, 550 men had provisions for 28 days. How many days will it l...

    Text Solution

    |

  14. The angles of a triangle are in the ratio 3: 1:2. The measure of the l...

    Text Solution

    |

  15. Length and breadth of a rectangular field are in the ratio 5 : 4. If t...

    Text Solution

    |

  16. If a bus covers 195 km in 3 hours and a train covers 300 km in 4 hours...

    Text Solution

    |

  17. If the cost of 5 bars of soap is ₹ 82.50, then the cost of one dozen s...

    Text Solution

    |

  18. If the cost of 30 packets of 8 pencils each is ₹ 600, what is the cos...

    Text Solution

    |

  19. A rail journey of 75 km costs ₹ 215. How much will a journey of 120 km...

    Text Solution

    |

  20. The 1st, 2nd and 4th terms of a proportion are 12, 21 and 14 respectiv...

    Text Solution

    |