Home
Class 14
MATHS
The average weight of 3 men A ,\ B an...

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

Answer

Step by step text solution for 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 by MATHS experts to help you in doubts & scoring excellent marks in Class 14 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • AREA

    RS AGGARWAL|Exercise All Questions|473 Videos
  • BANKERS DISCOUNT

    RS AGGARWAL|Exercise All Questions|20 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 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.

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 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
  • 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
  • Similar Questions

    Explore conceptually related problems

    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 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 :

    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 4men A , B , C and D is 67 kg . The 5th man E is included and the average weight decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decreases because of the replacement ofAand now the average weight is 64 kg. Find the weight of A.