The average monthly expenditure of a family was ₹10,000 during the first three months, ₹12,500 during the next four months, and ₹13,500 during the last five months of a year. If the total savings during the year were ₹32,500, then the average monthly income (in ₹) of the family was:
A.15,000✓ Correct
B.17,250
C.13,750
D.14,250
Explanation
Total expenditure = 3×10000 + 4×12500 + 5×13500 = 30000+50000+67500 = ₹147,500. Total income = 147500 + 32500 = ₹180,000. Monthly income = 180000/12 = ₹15,000.
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