Home
Class 14
MATHS
The average weight of 3 men A, B and C i...

The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E, whose weight is 3 kg more than that D, replaces A then the average weight of B, C, D and E becomes 75 kg. The weight of A is

A

A) 91 kg

B

B) 72 kg

C

C) 79 kg

D

D) 78 kg

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • AVERAGES

    DISHA PUBLICATION|Exercise Practice Exercises (Expert Level)|16 Videos

  • AVERAGES

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • AVERAGES

    DISHA PUBLICATION|Exercise Practice Exercises (Foundation Level) |38 Videos

  • ALLIGATIONS

    DISHA PUBLICATION|Exercise TEST YOURSELF |15 Videos

  • COORDINATE GEOMETRY

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos

Similar Questions

Explore conceptually related problems

The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now become 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A, then average weight of B, C, D and E becomes 79 kg. The weight of A is.

The average weight of 3 men A , B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E , whose weight is 3 kg more than that of D , replaces A , then the average weight of B , C , D and E becomes 79 kg. The weight of A is (a) 70 kg (b) 72 kg (c) 75 kg (d) 80 kg

Knowledge Check

  • The average weight of 3 men A, B and C is 84 kg. Another man D Joins the group and the average now becomes 80 kg. If another man E whose weight is 3 kg more then that of D, rcplaces A, then the average weight of:

    A
    72 kg
    B
    74 kg
    C
    75 kg
    D
    76 kg

  • The average weight of three men A,B,C is 84 kg another man D joins the group and the new average becomes 80 kg if another man E whose weight is 3 kg more than that of D replace A hen the average weight of B ,C,D and E becomes 79 kg the average weight of A is

    A
    70kg
    B
    72kg
    C
    75kg
    D
    80kg

  • The average weight of three men A, B and C is 84 kg. D joins them and the average weight of the four becomes 80 kg. If E, whose weight is 3 kg more than that of D, replaces A, the average weight of B, C, D and E becomes 79 kg. Weight of A is :

    A
    65 kg
    B
    70 kg
    C
    75 kg
    D
    80 kg

    • Similar Questions

    Explore conceptually related problems

    The average weight of 4 men A, B, C and D is 67 kg. Another man E joins the group and the average now become 65 kg. If another man F, whose weight is 4 kg more than that of E, replaces A, then average weight of B, C, D, E and F becomes 64 kg. The weight of A is.

    The average weight of 5 men A, B, C, D and E is 94 kg. Another man F joins the group and the average now become 96 kg. Weight of E is 6 kg less than of weight F. Now A is replaced by G then the average weight becomes 98 kg. Find the difference the weight of A and G .

    the average weight of three men A,B and C is 84 kg. D joins them and average weight of the four becomes 80 kg. if E whose weight is 3 kg more than that of D replaces A, the average weight of B,C,D and E become 79 kg. the weight of A is

    Question Stimulus The average weight of 3 men A, B and C is 84 kg. Another man ‘D’ joins the group and this increases the average weight by 4kg. What is the weight of ‘D’?

    The average weight of A, B, C and D is 40 kg. A new person E is also included in the group, then the average weight of the group is increased by 1 kg. again a new person F replaces A, then the new average of 5 persons becomes 42. The average weight of B, C, D, F is :

    Home
    Profile