Mridual and Aryan were good friends . They both went to gym for exercises. The coach of gym told them to complete 10 dips each. Midual started doing it by stretch in the palms on the floor while Aryan opted to do the same job on pair of rods at some height from floor.(i) Mridual got less pain while Aryan got more pain on his palms why?(ii) Mention the idea used by Mridual here

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.