Question

Choose the correct option:

If a person moves either 1 unit in the direction of positive x-axis or 1 unit in the direction of positive y-axis per step, then the number of steps he requires to reach (10, 12) starting from the origin (0, 0) is ____________.

A. 10

B. 12

C. 22

D. 120

Answer 1

To reach the point (10, 12), the person moves 10 steps along the positive x-axis and then 12 steps along the positive y-axis. Thus, the total number of the steps is 10 + 12 = 22.

Correct Option: C