Where will the hour hand of a clock stop if it starts(a) from 6 and turns through 1 right angle?(b) from 8 and turns through 2 right angles?(c) from 10 and turns through 3 right angles?(d) from 7 and turns through 2 straight angles?

Explanation

a)6+3=9

b)8+6=14=12+2=2

c)10+9=19=12+7=7

d)7+12=19=12+7=7.