RRB Group D Model Paper 2 with solutions

Question : 69 of 100

Marks: +1, -0

Average income of 'A' and 'B' is ₹ 200 and average income of 'C' and 'D' is ₹ 250. The average income of A, B, C, D is_________.

Solution:

(1) A + B = 200 × 2 = 400
C + D = 250 × 2 = 500
Average income of A, B, C and D
=

{400+500}/4

= ₹ 225

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