The monthly income (in rupees) of the deceased was :

The average monthly income of a family of 4 earning members was Rs.6,250. One of the earning member died, thereby, the average became Rs.6,500. The monthly income (in rupees) of the deceased was

  1. 5,000
  2. 6,000
  3. 5,900
  4. 5,500
Anurag Mishra Professor Asked on 27th December 2015 in Maths.
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1 Answer(s)

Answer: (4) Rs. 5, 500

Explanation:-
The average monthly income of 4 family member = Rs. 6, 250
Therefore, total monthly income 4 family member = 6, 250 x 4 
 = Rs. 25, 000

One of the earning member died, thereby the average became Rs. 6, 500, 
Therefore, the total earning of 3 family members = 6, 500 x 3
 = Rs. 19, 500

So, the monthly income of the deceased member = 25, 000 – 19, 500
 = 6, 500

Then, the monthly income of the deceased was Rs. 6, 500.

Hence, the correct answer is option (4) Rs. 6, 500. 

Anurag Mishra Professor Answered on 28th December 2015.
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