Statistics - Permutations and combinations
2. The number of different permutations of the word BANANA is
- Option : B
- Explanation :
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3. There are four bus lines between A and B; and three bus lines between Band C.
The number of way a person round trip by bus from A to C by way of B will be
- Option : A
- Explanation :
There are four ways to go from A to B and three ways to go from B to C, Hence there are 4 x 3 = 12 ways to go from A to C by way of B
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- Option : B
- Explanation :
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5. The number of diagonals that can be drawn by joining the vertices of an octagon is
- Option : C
- Explanation :
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