Home
Class 14
MATHS
The average weight of 9 mangoes increase...

The average weight of 9 mangoes increases by 20 g if one of them weighing 120g is replaced by another. The weight of new mango is

A

a) 180 g

B

b) 200g

C

c) 260g

D

d) 300g

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FUNCTIONS AND GRAPHS

    QUANTUM CAT|Exercise QUESTION BANK|286 Videos
  • LOGARITHM

    QUANTUM CAT|Exercise QUESTION BANK|159 Videos

Similar Questions

Explore conceptually related problems

The average weight of nine mangoes increases by 20 g if one of them weighing 120 g is replaced by another. The weight of the new mango is

The average weight of 5 men is decreased by 3 kg when one of them weighing 150 kg is replaced by another person. This new person is again replaced by another person whose weight is 30 kg lower than the person he replaced. What is the overall change in the average due to this dual change?

The average weight of 3 women is increased by4kg, when one of them whose weight is 100 kg, is replaced by another woman. What is the weight of the new woman?

The average weight of 10men is decreased by 3kg when one of them whose weight is 80kg is replaced by a new person.The weight of the new person is

The average weight of 8 men is increased by 1.5 kg when one of the men who weights 65 kg is replaced by a new man .The weight of the new man is :

The average weight of 8 men is increased by 1.5 kg when one of the men whose weight 65 kg is replaced by a new man. The weight of the new man is:

The average weight of 8 men is increased by 1.5 kg when one of the men,who weighs 65 kg is replaced by a new man.The weight of the new man is (a) 70kg (b) 74kg (c) 76kg (d) 77kg

The average weight of 8 persons is increased by 2.5 kg. When one of them, whose weight is 56 kg is replaced by a new man. The weight of the new man is-

QUANTUM CAT-GEOMETRY-QUESTION BANK
  1. The average of 11 observations is 60. If the average of first five obs...

    Text Solution

    |

  2. In the adjoining figure angleBAD = a, angleABC = b and angleBCD = c an...

    Text Solution

    |

  3. The average weight of 9 mangoes increases by 20 g if one of them weigh...

    Text Solution

    |

  4. In seven given numbers, the average of first four numbers is 4 and tha...

    Text Solution

    |

  5. In the given figure ABC is a triangle in which 3AD = CD and E lies on ...

    Text Solution

    |

  6. In the adjoining figure ABC is a right angled triangle, BDEF is a squa...

    Text Solution

    |

  7. There are two congruent triangles each with area 198 cm^(2)?. Triangle...

    Text Solution

    |

  8. What is the sum of all the angles of a 9 pointed star ("i.e., "angle1 ...

    Text Solution

    |

  9. A circle is circumscribed by the rhombus which in turn is made up by j...

    Text Solution

    |

  10. There are n rectangles each with area 200 cm^(2). If the dimensions of...

    Text Solution

    |

  11. There are 8 points, in a plane, how many different triangles can be fo...

    Text Solution

    |

  12. ABC is an isosciles triangle a circle is such that it parses though ve...

    Text Solution

    |

  13. A smaller circle touches internally to a larger circle at A and passes...

    Text Solution

    |

  14. In the given figure ADEC is a cyclic quadrilateral, CE and AD are exte...

    Text Solution

    |

  15. The mean of 100 observations was calculated as 40. It was found later ...

    Text Solution

    |

  16. The average weight of 29 students is 28 kg. by the admission of a new ...

    Text Solution

    |

  17. If x^2 + y^2 + z^2 = xy + yz + zx, then the triangle is :

    Text Solution

    |

  18. In the adjoining figure ABCD is a rectangle in which length is twice o...

    Text Solution

    |

  19. In the adjoining figure there are two congruent regular hexagons with ...

    Text Solution

    |

  20. The average age of 30 students of a class is 12 yr. The average age of...

    Text Solution

    |