Home
Class 14
MATHS
The average of three numbers a, b and c ...

The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then average c and d is:
a, b और c तीन संख्याओं का औसत c से 2 अधिक है । a और b का औसत 48 है । यदि d,c से 10 कम है, तो और d का औसत ज्ञात कीजिए

A

36

B

40

C

35

D

38

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALLIGATION

    GAGAN PRATAP |Exercise ALLIGATION (SHEET-3)|25 Videos

  • BOAT & STREAM

    GAGAN PRATAP |Exercise MULTIPLE CHOICE QUESTIONS|42 Videos

Similar Questions

Explore conceptually related problems

The average of a and b is 10, average of b and c is 12 and average of c and a is 15. Find the average of a, b and c. a तथा b का औसत 10 है, b तथा c का औसत 12 है और c तथा a का औसत 15 है | a, b और c का औसत कितना है ?

The average of a, b and c is 9. The average of b and c is 10. What is the value of a? a, b तथा c का औसत 9 है | b तथा c का औसत 10 है | a का मान कितना है ?

The average of a and b is 36. The average of b and c is 42. The difference between c and a is : a तथा b का औसत 36 है | b तथा c का औसत 42 है| c और a के बीच का अंतर है ?

A is 25% more than B and B is 40% less than C. If C is 30% more than D, then by what percent is A less than D? A, B से 25% अधिक है और B, C से 40% कम है | यदि C, D से 30% अधिक है, तो A, D से कितना प्रतिशत कम है ?

The average of four numbers is 20. If the average of the first two numbers is 15, then what is the average of the last two numbers? चार संख्याओं का औसत 20 है | यदि पहली दो संख्याओं का औसत 15 है, तो अंतिम दो संख्याओं का औसत ज्ञात करें |

The average of two numbers A and B is 20, that of B and C is 19 and of C and A it is 21. What is the value of A? दो संख्याओं A तथा B का औसत 20, B तथा C का औसत 19 और C तथा A का औसत 21 है। A का मान क्या है?

The average of a and b is 36. The average of b and c is 42. What is the difference between c and a ? a तथा b का औसत 36 है | b तथा c का औसत 42 है | c तथा a के बीच कितना अंतर् है ?

Average of 11 numbers is 32. If the average of first six numbers is 26 and the average of last six numbers is 36 then what is the value of the sixth number? 11 संख्याओं का औसत 32 है | यदि पहली छः संख्याओं का औसत 26 है और अंतिम छः संख्याओं का औसत 36 है, तो छठी संख्या का मान ज्ञात करें |

The average of first three numbers is double of the fourth number. If the average of all the four numbers is 12, find the 4th number. पहली तीन संख्याओं का औसत, चौथी संख्या का दुगुना है। यदि उन सभी चारों संख्याओं का ओसत 12 हो, तो चौथी संख्या ज्ञात कीजिए।

GAGAN PRATAP -AVERAGE-Multiple Choice Questions
  1. The mean of fifteen different natural numbers is 13. The maximum value...

    Text Solution

    |

  2. If the arithmetic mean of 3a and 4b is greater than 50, and a is twice...

    Text Solution

    |

  3. The average of three numbers a, b and c is 2 more than c. The average ...

    Text Solution

    |

  4. The average monthly income (in Rs) of certain agricultural workers is ...

    Text Solution

    |

  5. If A is (1)/(6) of C, and B is twice of A, and the average of A,B and ...

    Text Solution

    |

  6. The average of the age of Sonu, Hari and Govind is 30 years. If their ...

    Text Solution

    |

  7. Out of 6 numbers, the sum of the first 5 numbers is 7 times the 6th nu...

    Text Solution

    |

  8. The average of the first four numbers is three times the fifth number....

    Text Solution

    |

  9. The average of five positive numbers is 56. If the first number is thr...

    Text Solution

    |

  10. The side of a square exceeds the side of another square by 4cm and the...

    Text Solution

    |

  11. Of the three numbers, the average of the first and the second is great...

    Text Solution

    |

  12. The average of a non-zero number, its square and its cube is 127 times...

    Text Solution

    |

  13. The average of x, y and z is 45. x is as much more than the average as...

    Text Solution

    |

  14. Out of four numbers the average of the first three is 26 and that of t...

    Text Solution

    |

  15. A student finds the average of ten 2-digits numbers. While copying num...

    Text Solution

    |

  16. In a class of 180 students, 45% are girls and the remaining are boys. ...

    Text Solution

    |

  17. In a class of 60 students, 40% are girls. The average weight of the wh...

    Text Solution

    |

  18. The average height of 5 boys is 175 cm. A sixth boy joined the group a...

    Text Solution

    |

  19. The weight of 9 members out of 22 are measured consecutively and their...

    Text Solution

    |

  20. A library lias an average of 265 visitors on Sundays and 130 visitors ...

    Text Solution

    |