The correct options are
A Prithi Chand was greedy and shrewd.
C Mahadev was not interested in worldly affairs.
D Guru Arjan Dev Ji was a humble and obedient child.
Guru Arjan Dev Ji was the youngest of three brothers. His eldest brother Prithi Chand was seen as greedy and shrewd by his father while Mahadev had no interest in worldly affairs. Unlike his brothers, Arjan was a humble and obedient child. He regarded his father as the true guru and followed his teachings with devotion. Hence, his father chose him as the fifth Sikh Guru.