Q.

The average monthly income of a family of 5 earning members was Rs.20200. One of the daughter in the family got married and left home. So the average monthly income of the family come down to Rs.18740. What is the monthly income of the married daughter?

A Rs.22460
B Rs.26040
C Rs.28756
D Rs.29945
Answer & Explanation
Option: [B]

The sum of monthly income of the family before the marriage of the daughter is:

5 x 20200 = Rs.101000

The sum of monthly income of the family after the marriage of the daughter is:

4 x 18740 = Rs.74960

The income of the aughter was Rs.101000 - Rs.74960 = Rs.26040

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