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Answer»

Solution

No. of books SOLD :

Jan = 150

Feb = 260-150 = 110

Mar = 290-260 = 30

Apr = 360-290 = 70

May = 450-360 = 90

Jun = 580-450 = 130

Jul = 780-580 = 200

Aug = 1010-780 = 230[MAX]

Sep = 1120-1010 = 110

=> MAXIMUM no. of books are sold in August.



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