Home
Class 7
PHYSICS
A person bought a book at 20% discount a...

A person bought a book at 20% discount and sold it at 10% discount. In whole transection he got profit of 10 then find M.P. of book?

A

flow from iron ball to water.

B

not flow from iron ball to water or from water to iron ball.

C

flow from water to iron ball.

D

increase the temperature of both.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Electric Current And its Effects

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|101 Videos

  • LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISEE|130 Videos

Similar Questions

Explore conceptually related problems

A person bought a horse and a vehicle for Rs 40,000 he sold horse at 10% profit and vhicle at 5% loss on whole transection he got profit of 1% . Find C.P. of horse?

10% discount and then 20% discount in succession is equivalent to total discount of .

A person bought two bicycles for ₹ 1600 and sold the first at 10% profit and the second at 20% profit. If he sold the first at 20% profit and the second at 10% profit,he would get ₹ 5 more.The difference in the cost price of the two bicycles was

A person bought two bicycles for Rs 1600 and sold the first at 10% profit and the second at 20% profit. If he sold the first at 20% profit and the second at 10% profit, he would get Rs 5 more. The dilference of the cost price of the two bicycles was:

A shokeeper earns a profit of 15% after selling a book at 20% discount on the printed price .the ratio of the cost price and the printed price of the book is

A bought a book for ₹ 500 and sold it to B at profit of 10%. B in turn sold the book to C for a profit of ₹ 44. Then the price at which C bought the book was

LAKHMIR SINGH & MANJIT KAUR-HEAT-EXERCISE
  1. What is meant by 'convection' ? Explain with the help of an example. W...

    Text Solution

    |

  2. Define radiation. Give any two examples where heat is transferred by r...

    Text Solution

    |

  3. A person bought a book at 20% discount and sold it at 10% discount. In...

    Text Solution

    |

  4. Stainless steel cooking pans are preferred with extra copper bottoms. ...

    Text Solution

    |

  5. A wooden spoon is dipped in a cup of ice cream. Its other end

    Text Solution

    |

  6. The device used to measure temperature is

    Text Solution

    |

  7. The expansion of one of the following liquids is used for measuring th...

    Text Solution

    |

  8. Which of the following features are that of a clinical thermometer ? ...

    Text Solution

    |

  9. The normal temperature of a healthy person is thirty seven degrees on

    Text Solution

    |

  10. Digital thermometers available these days for measuring temperature us...

    Text Solution

    |

  11. Which of the following is not a method of transfer of heat ?

    Text Solution

    |

  12. Which of the following is not an insulator ?

    Text Solution

    |

  13. A liquid which is a good conductor of heat is :

    Text Solution

    |

  14. The woollen clothes keep us warm during winter because : A. Wool is ...

    Text Solution

    |

  15. The objects made of steel, mica, wood and brass are lying in the same ...

    Text Solution

    |

  16. The transfer of heat by convection can take place in

    Text Solution

    |

  17. The convection currents in air transfer heat

    Text Solution

    |

  18. Which of the following conditions lead to the blowing of sea-breeze in...

    Text Solution

    |

  19. The hot objects which can transfer heat by radiation are :

    Text Solution

    |

  20. The invisible rays which transfer heat by radiation are called :

    Text Solution

    |