Question
P's average monthly spending for the first 7 months is
₹1200, and for the following 5 months, it increases to ₹1500. Additionally, he manages to save ₹500 each month. What is his total monthly income?Solution
ATQ; Sum of the expenditure of P for the first seven months = 1200 × 7 = 8400 Sum of the expenditure of P for the first seven months = 1500 × 5 = 7500 P’s expenditure for that year = 8400 + 7500 = Rs. 15900 P’s saving for that year = 500 × 12 = Rs. 6000 P’ salary for that year = 15900 + 6000 = Rs. 21900 Required monthly income = 21900/12 = Rs. 1825
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