How many different salads can be made from 5 different Fruits, when only one fruit can also be used in a salad. *
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Explanation:
I think so tomato
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total 5 kind of ingredients
We can use 1 , 2 , 3 , 4 or 5 ingredients
it does not matter which ingredient is used when
so total combinations possible
= ⁵C₅ + ⁵C₄ + ⁵C₃ + ⁵C₂ + ⁵C₁
(⁵C₀ is ignored as then there will be no salad)
=
= 1 + 5 + 10 + 10 + 5
= 31
31 type of salads
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