A circular box kept around a circular place. If the difference between the circumference of the outer circle and the inner circle is 44m, find the width of the box?
Options.
A) 5 m	B) 6 m	C) 4 m	D) 7 m	E) 8 m
Let radius of the outer circle be R and radius of the inner circle be r.   Circumference of the outer circle =   Circumference of the inner circle =   But,   or, R - r =   Thus, width of the road = 7 m   7 m
<result>D</result>
A circular box kept around a circular place. If the difference between the circumference of the outer circle and the inner circle is 44m, find the width of the box?