Three books on maths and four books on economics are to be kept together .What are the chances that all the three Maths books are kept together?

Experts please help me soon !!! as my exam is on monday!!

Total books 9

3/9

3. Expert Advice The retailer is undoubtedly an expert in the line of goods he deals.

He provides expert advice about the comparative benefit of goods of same kind manufactured by different manufacturers.

4. Credit facilities Retailers sell goods on credit to their permanent customers. Especially

the fixed income- earners find it convenient to purchase their requirements and credit throughout the month and settle their accounts on the salary day.

5. Miscellaneous Services

  1. Retailers provide free-home delivery service to the customers.

  2. They provide after sale service to customers.

  3. They allow cash discounts on their sales.

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Total no books are 9

no of math books 3

so 3/9 1/3

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how 9 ?????/ there are 7 books in total...

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3/9 = 1/3
Hope it helps !!!
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3/7
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