Question

Hai friends.......we have 3 groups named A,B,C can you say how many are we in each group? a.group A: we and you together is 21? B.group B: we and us again with you will make 21? C. Group C: we and us again with half of us and you will make 21?

Answer 1

Given : we have 3 groups named A,B,C

group A: we and you together is 21  

group B: we and us again with you will make 21

Group C: we and us again with half of us and you will make 21

To Find :  many are we in each group

Solution:

.group A: we and you together is 21

You are 1

We = Group A = A

A + 1  = 21

=> A = 20

group B: we and us again with you will make 21?

B + B + 1 = 21

=> 2B = 20

=> B = 10

Group C: we and us again with half of us and you will make 21?

C + C + C/2  + 1 = 21

=> 5C/2 = 20

=> C  = 8

Group A = 20

Group B = 10

Group C = 8

Total = 20 + 10 + 8  = 38

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