The correct option is
B The sack of rice is heavier than the sack of mangoes
- The sack of rice is on the left pan, and the sack of mangoes is on the right pan of the simple balance.
- The pan that has the heavier object moves down and the pan with the lighter object moves up.
- Here, the left pan moved down and the right pan moved up. So, the sack of rice is heavier than the sack of mangoes.