Home
Class 12
MATHS
If a,b,c ,d are four distinct numbers ...

If a,b,c ,d are four distinct numbers such that : `a + c = 2d` and `b + d =2c` , Which of the following is the correct expression for the average of the four numbers ?

A

`c + d`

B

`(3a + c)/(4)`

C

`(a+2c)/(2)`

D

`(b+3d)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ENGLISH SAT|Exercise EXERCISES|16 Videos

  • PROBLEM SOLVING AND DATA ANALYSIS

    ENGLISH SAT|Exercise Grib-In|40 Videos

Similar Questions

Explore conceptually related problems

If a,b,c,d are distinct numbers such that : a + C = 2d and b+d = 2c , which of the following statements must be ture ? I. a cannot be the average of a,b,c,d. II b can be the average of a,b,c,d . III d can be the average of a,b,c,d.

If a, b, c, d are distinct positive numbers in A.P., then:

If a ,b ,c ,d are four distinct positive numbers in G.P. then show that a+d > b+c dot

In the figure, AOB is a straight line. What is the average of the four number, a, b , c, d ?

In the figure, O is the center of the circle. What is average of the numbers a, b, c and d?

If a,b,c and d are four unequal positive numbers which are in A.P then

If a,b,c,d ,e are +ve real numbers such that a+b+c+d+e=8 and a^2 + b^2 +c^2 + d^2 +e^2 = 16 , then the range of 'e' is

If a ,b ,c ,d are distinct integers in an A.P. such that d=a^2+b^2+c^2, then find the value of a+b+c+d

If a, b, c and d are four coplanr points, then prove that [a b c]=[b c d]+[a b d]+[c a d] .

If a, b, c are distinct positive real numbers such that a+(1)/(b)=4,b+(1)/( c )=1,c+(1)/(d)=4 and d+(1)/(a)=1 , then

ENGLISH SAT-PROBLEM SOLVING AND DATA ANALYSIS-EXERICSE
  1. Martin visited juice shop and found that there were three varietties...

    Text Solution

    |

  2. Wal - Mart offers the following discounts on consumables on the lis...

    Text Solution

    |

  3. If a,b,c ,d are four distinct numbers such that : a + c = 2d and b...

    Text Solution

    |

  4. Two positive integers a and b have their HCF as h( h ne 1) . How...

    Text Solution

    |

  5. n and p are two positive integes. If it is known the that 3n is a ...

    Text Solution

    |

  6. The Washington Post has a daily of 60 advertisments . The percentag...

    Text Solution

    |

  7. The price of coffee rose by 20% following shortange in availability ...

    Text Solution

    |

  8. R is the sum of square of 50 consective even integers stating wit...

    Text Solution

    |

  9. A sequence is shown below : 1,4,-2,1….. The first term is 1. T...

    Text Solution

    |

  10. The graph below gives the production and consumption of crude oil...

    Text Solution

    |

  11. The graph below gives the production and consumption of crude oil...

    Text Solution

    |

  12. The graph below gives the production and consumption of crude oil...

    Text Solution

    |

  13. The graph below gives the production and consumption of crude oil...

    Text Solution

    |

  14. The Strand Book Store in New York recently purchased 60 copied of ...

    Text Solution

    |

  15. Mark and Brand , two employess on of Intel Corporation have a discus...

    Text Solution

    |

  16. The graph shows the percenatge of population owining TV sets in va...

    Text Solution

    |

  17. The graph shows the percenatge of population owining TV sets in va...

    Text Solution

    |

  18. The graph shows the percenatge of population owining TV sets in va...

    Text Solution

    |

  19. The graph shows the percenatge of population owining TV sets in va...

    Text Solution

    |

  20. If the positive integer N leaves a remainder of 3 when divided b...

    Text Solution

    |