Home
Class 7
MATHS
A ratio equivalent to 2:5 is (a)6: 15 (...

A ratio equivalent to `2:5` is (a)`6: 15` (b) `4:5` (c) `5:2` (d) `5:4`

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    RD SHARMA|Exercise All Questions|144 Videos

  • RATIONAL NUMBERS

    RD SHARMA|Exercise All Questions|105 Videos

Similar Questions

Explore conceptually related problems

A fraction equivalent to (45)/(105) is 6/(14) (b) 4/7 (c) 5/7 (d) 7/5

Which of the following is a fraction equivalent to 2/3\ ? 4/5 (b) 8/6 (c) (10)/(25) (d) (10)/(15)

If the volumes of two cones are in the ratio 1:4 and their diameters are in the ratio 4:5, then the ratio of their heights, is (a) 1:5 (b) 5:4 (c) 5:16 (d) 25:64

The ratio 384:480 in its simplest form is (a) 3:5 (b) 5:4 (c) 4:5 (d) 2:5

If 5/(12) is equivalent to x/3, then x= 5/4 (b) 4/5 (c) 5/3 (d) 3/5

A square is inscribed in a circle and another in a semi-circle of same radius.The ratio of the area of the first square to the area of the second square is (a) 2:5quad (b) 5:2 (c) 4:5quad (d) 5:4

If the sides of a triangle be in the ratio 2 : 3 : 4, the ratio of the corresponding altitudes is (a) 6 : 5 : 3 (b) 4 : 5 : 6 (c) 5 : 4 : 3 (d) 6 : 4 : 3

In Fig. 15.110, the ratio of the areas of two sectors S_1 and S_2 is (a) 5\ :2 (b) 3\ :5 (c) 5\ :3 (d) 4\ :5 (FIGURE)

((-2)/5)^7-:((-2)/5)^5 is equal to 4/(25) (b) (-4)/(25) (c) ((-2)/5)^(12) (d) (25)/4

RD SHARMA-RATIO AND PROPORTION-All Questions
  1. If a : b=4:5 and b : c=2:3, then a : c (a)4:3 (b) 8: 15 (c) 8:9 (d) ...

    Text Solution

    |

  2. If p : q=2:5, then (25 p+14 q)/(5p+7q)= (a)8:5 (b) 5:8 (c) 8:3 (d) ...

    Text Solution

    |

  3. A ratio equivalent to 2:5 is (a)6: 15 (b) 4:5 (c) 5:2 (d) 5:4

    Text Solution

    |

  4. If 2a=3b=4c , then a : b : c= (a)2:3:4 (b) 3:4:6 (c)4:3:2 (d) 6:4:...

    Text Solution

    |

  5. If 2x=3y\ a n d\ 4y=5z , then x : z= (a) 4:3 (b) 8: 15 (c) 3:4 (d) 1...

    Text Solution

    |

  6. If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d) No...

    Text Solution

    |

  7. If 1/a :1/b :1/c=3:4:5, then a : b : c (a) 5:4:3 (b) 20 : 15 : 12 (c)...

    Text Solution

    |

  8. If a : b=5:7\ a n d\ b : c=6: 11 , then a : b : c= (a) 35 : 49 : 66 (...

    Text Solution

    |

  9. If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c)...

    Text Solution

    |

  10. If a : b=2:5, then (3a+2b)/(4a+b)= (a) (16)/(13) (b) (13)/(16) (c) (2...

    Text Solution

    |

  11. The mean proportional of a\ a n d\ b is 10 and the value of a is four ...

    Text Solution

    |

  12. If 8: x :: 16 : 35 (a) 35 (b) 70 (c)(35)/2 (d) 24

    Text Solution

    |

  13. The mean proportional of 6 and 24 is (a)15                          ...

    Text Solution

    |

  14. The boys and girls in a school are in the ratio 9: 5. If the number ...

    Text Solution

    |

  15. If the first three terms of a proportion are 3,5 and 21 respectively...

    Text Solution

    |

  16. What must be added to each term of the ratio 9: 16 to make the ratio...

    Text Solution

    |

  17. What least number is to be subtracted from each term of the ratio 15...

    Text Solution

    |

  18. If Rs 840 is divided between P\ a n d\ Q in the ratio 3:4, then P ' ...

    Text Solution

    |

  19. The ages of Ravish and Shikha are in the ratio 3: 8. Six years hence...

    Text Solution

    |

  20. The present ages of Renu and Ravi are in the ratio 5: 6. The sum of ...

    Text Solution

    |