The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs. 90 per day. During the first 7 days, his average wages was Rs. 87/day and the average wages during the last 7 days was Rs. 92/day. What was his wage on the 8th day?
The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs. 90 per day. During the first 7 days, his average wages was Rs. 87/day and the average wages during the last 7 days was Rs. 92/day. What was his wage on the 8th day? Correct Answer 97
The total wages earned during the 15 days that the worker worked ,= 15 × 90 = Rs. 1350The total wages earned during the first 7 days = 7 × 87 = Rs. 609The total wages earned during the last 7 days = 7 × 92 = Rs. 644Total wages earned during the 15 days, = wages during first 7 days + wage on 8th day + wages during the last 7 days. 1350 = 609 + wage on 8th day + 644 wage on 8th day = 1350 - 609 - 644 = Rs. 97