Question

7. Dheeraj has twice as many sisters as he has

brothers. If Deepa, Dheeraj's sister has the same
number of brothers as she has sisters, then Deepa
has how many brothers?


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Answer 1

Answer:

there r total 3 brothers and 4 sisters..

s=sister, b=brother

dheeraj has twice as many sisters as he has brothers

2(b-1)=s...............A

dheeraj 's sister has the same number of brothers as she has sisters

s-1=b.....................B

solving equation A and B , we get,

s=4, b=3

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