What direction will you face if you start facing south and make 1 4 of a revolution anti-clockwise?

Given, Started facing South and made 1 4 of a revolution anti-clockwise. 90 ° means 1 4 revolution. From the figure, we can see that revolving 90 ° anti-clockwise will reach East. Hence, the direction you will face after revolution is East.

What direction will you face if you start facing West and make 1 2 of a revolution clockwise?

Given, started facing West and made 1 2 of a revolution clockwise. If one revolution is completed, we will reach the starting point itself. 1 2 revolution means 180 ° . From, the figure we can see that after a half revolution we will reach East. Hence, the direction you will face after revolution is East.

What direction will you face if you start facing north and make 3 4 of a revolution clockwise?

Given, started facing north and made 3 4 of a revolution clockwise. We know that, 1 4 revolution = 90 ° . Then, 3 4 revolutions = 270 ° . From the figure, we can see that moving 270 ° from North will reach West. Hence, the direction you will face after revolution is West.