Question

The average monthly income of father and mother is25,050.The average monthly income of father and son is42,250 and the monthly income of mother and son is35,200.Monthly income of the family

Answer 1

family income will be rupees 51250

Answer 2

(F+M)/2=25050

i.e. F+M=50100............................1

(F+S)/2=42250

i.e. F+S=84500............................2

(M+S)/2=35200

i.e. M+S=70400............................3

BY ADDING 1, 2 AND 3, WE GET,

2F+2M+2S=205000

i.e. 2(F+M+S)=205000

i.e. F+M+S=102500

i. e. TOTAL MONTHLY INCOME OF FAMILY=102500