Question

The average expenditure of Rahul for the January to June is RS 4200 and he spent RS 1200 in January and RS 1500 in july. The average expenditure for the months of February to July is?

Answer 1

$\textbf{Answer}$

The average expenditure of Rahul for the months January to June is Rs 4200.

Total number of months from January to June is 6.

=> Total expenditure of Rahul for January to June = 6 × 4200 = Rs 25200

Since Rahul spent Rs 1200 in January,

=>Total expenditure of Rahul for the month February to June = 25200 - 1200 = Rs 24000

Since Rahul spent Rs 1500 in the month of July,

=> Total expenditure of Rahul for the months February to July = 24000 + 1500 = Rs 25500

Since total number of months from February to July is 6.

=> Average expenditure for the months February to July = 25500/6 = Rs 4250

So the average expenditure for the months February to July is Rs 4250

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Answer 2

Answer: 4250

Total Expenditure(Jan – June) = 4200 * 6 = 25200

Total Expenditure(Feb – June) = 25200 – 1200 = 24000

Total Expenditure(Feb – July) = 24000 + 1500

=25500

The average expenditure (Feb-July) is = 25500/6 = 4250