How many distinct binary search trees can be created out of 4 distinct keys?

BPSC TRE · TRE 3.0 · PGT (Classes 11–12) · Computer Science · 22 Jul 2024 · Shift 1 · Subject

1. A.

   8

2. B.

   24

3. C.

   14

4. D.

   More than one of the above

5. E.

   None of the above

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