Posted by: Mukesh k. on 31.01.2023
Ask a QuestionTotal income = 4500 + 3550+4260+4880 = 17190
Total months = 4
Average income = Total/no. = 17190/4 = Rs. 4297.5
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Answer:
Let the average income be Rs x.Then the algebraic sum of the differences between the average and the individual omonthly incomes should be zero
That is (x-4500)+(x-3550)+ (x-4260)+(x-4880) = 0
That is 4x-( 4500+4200+4260+4880) =0
That is 4x- 17190 =0 or x= 17190/4 = 4297.50
Average = total sum of all items / number of items
Total sum of Income ( items)= 4500 +3550+4260+ 4880 = Rs.17190
Total number of Items = 4 ( months)
Average = 17190 /4 = Rs. 4297.50
Ans. The average income for the period is Rs. 4297.50
Explanation: Total income in 4 months = Rs. (4500+3550+4260+4880) = Rs. 17190 So, Rs. 17190/4 = Rs. 4297.50
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