Question

In a row of boys. Oliver is standing 10th from the right and 15th from the left.How many more boys should be added to the row to increase the total number of boys to
30?

Answer 1

Answer:

23

Step-by-step explanation:

Clearly, A’s new position is 15th from the left. But this is the same as B’s earlier position which is 9th from the right.

Answer 2

15

Minus 30 with 15

30-15=15