Which one of the following hash functions on integers will distribute keys…

GATE · 2015 · CS · Set 2 · Computer Science & IT

1. A.

   $ℎ(𝑖) = 𝑖^2 \ mod \ 10$

2. B.

   $ℎ(𝑖) = 𝑖^3 \ mod \ 10$

3. C.

   $ℎ(𝑖) = (11 * 𝑖^2) \ mod \ 10$

4. D.

   $ℎ(𝑖) = (12 * 𝑖) \ mod \ 10$

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