Explanation:

- Statement 1: Humayun did regain the throne in Delhi, but it was not from Sher Shah. Humayun regained his throne from the successors of Sher Shah Suri in 1555. Sher Shah had already died in 1545.

- Statement 2: Humayun did not defeat Hemu at the second battle of Panipat. It was Akbar and his regent Bairam Khan who defeated Hemu in 1556.

- Option:1, 1 only - Incorrect because statement 1 is partially true but misleading.

- Option:2, 2 only - Incorrect because statement 2 is false.

- Option:3, Both 1 and 2 - Incorrect as both statements are not fully correct.

- Option:4, Neither 1 nor 2 - Correct as both statements are inaccurately represented.