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Pizza parlor provides pizzas there were 2 toppings available initially peperomi and salami but now they introduces 7 new item(some time waste data). One person wishes to buy two different pizzas from the new items. How many ways he can do that?

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ans is 7c2=21
13 years agoHelpfull: Yes(11) No(1)

ans 7c2*2= 42
13 years agoHelpfull: Yes(0) No(12)

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