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In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ?
1
2
3
4
5
Assume the family has X girls and Y boys, according to the question, we can have 2 equations: X-1=Y, 2(Y-1)=X. Solve the equations, we get X=4, Y=3.
By: Amit Kumar ProfileResourcesReport error
Noorbir Singh
As per this equation Maam answer is 5, (Y-1) shall be there in equation
equation corrected answer will be 3
As per this equation Maam answer is 5
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