IBA ফ্যাকাল্টি ভিত্তিক প্রস্তুতি
The average wages of a worker during a fortnight comprising 15 consecutive working days was Tk. 90 per day. During the first 7 days, his average wages was Tk. 87 per day and the average wages during the last 7 days was Tk. 92 per day. What was his wage on the 8th day?