The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs. 5200. What is the monthly income of A?  Choose the correct choice from the following options:
A) 2000
B) 4000
C) 5000
D) 1000
E) 5500
Let monthly income A = a   monthly income of 4000 = b   monthly income C= c   a+b=2*5050 --- 1   b+c=2*6250----2   a+c=2*5200----3   add 3 eqns   a=4000   monthly income of A = 4000   ANSWER 4000
<result>B</result>
The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs. 5200. What is the monthly income of A?