Average income of ‘A’ and ‘B’ is Rs.200 and average income of ‘C’ an

Question

Average income of ‘A’ and ‘B’ is Rs.200 and average income of ‘C’ and ‘D’ is Rs.250. The average income of A, B, C and D is

Options:

A . Rs.225

B . Rs.200

C . Rs.125

D . Rs.106.25

Answer: Option A
Answer: (a)Total income of A and B = Rs. (2 × 200) = Rs. 400 Total income of C and D = Rs. (2 × 250) = Rs. 500∴ Required average= ${400+500}/4$ = $900/4$ = Rs. 225

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