Combinations Concept and Critical Examples IBSL GCSE and AP Math Anil Kumar Permutation Combination

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#Permutation_combination_made_simple #datamanagement_IBSL #Probability_Statistics #permutationandcombination #permutation_combination #combinatorics_IB
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A. Shopkeeper bought a washing machine and solid it at a profit of 25% to a customer .If the costumer paid RS .28250;for it with 13%vat at what price did the shopkeeper by the machine?

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