Question

a person continuously places three Marbles in first box 6 Marbles in second box seven Marbles in third box the number of Marbles that he places in 16th boxes​

Answer 1

Answer:

In the first box he kept 6 marbles,second box he kept 7 marbles.Then the third box

will have the number of marbles in the 16th box.According to this calculation the 16th box will be having 21 marbles.

So,we conclude that the 3rd box will have 21 marbles