जॉइन Examsbookउत्तर : 2. "191"
In How many ways is it possible to make a selection by taking any number of 15 fruits, namely 3 oranges, 5 apples and 7 mangoes?5
प्र: In How many ways is it possible to make a selection by taking any number of 15 fruits, namely 3 oranges, 5 apples and 7 mangoes?
- 1131false
- 2191true
- 368false
- 43720false
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उत्तर : 2. "191"
व्याख्या :
Answer: B) 191 Explanation: Out of 15 fruits, 7 are alike of one kind, 5 are alike of a second kind and 3 are alike of a third kind. Hence, the required number of ways = [ (7+1) (5+1) (3+1) -1] =191
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.