Question
The average number of books sold by Viren in first 3
months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th month is 35% less than that in 4th month, then find the total number of books sold in the 5th month.Solution
Number of books sold by Viren in first 3 months = 3000 × 3 = 9000 Number of books sold by Viren in first 4 months = 3800 × 4 = 15200 Number of books sold by Viren in 4th month = 15200 - 9000 = 6200 Therefore, number of books sold by Viren in 5th month = 6200 × 0.65 = 4030
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