Mahim takes the times 46 sec and 44 sec to round a circular Path of breadth 7 m 5 dcm by a bicycle along the outer and inner edges respectively. Find the diameter of the circular path along the inner edge.

There is a path around a circular garden. The outer circumference of that path is 912 m and the inner circumference is 868 m. Find the breadth of the path.

Some takes time (pix)/(100) minutes to round a circular park. Then Soma will take times to cross the park along its diameter -

A car is moving along a circular path of radius 20 m with a speed of 40 km cdot h^(-1) . Find its angular velocity.

The weight of a wooden box made of wooden planks with the thickness of 5 cm along with its covering is 115·5 kg. But the weight of the box filled with rice is 880·5 kg. The length-and breadth of inner side of the box are 12 dcm and 8·5 dcm respectively and the weight of 1 cubic dcm rice is 1 ·5 kg. Determine the inner height of the box. Also determine the total expenditure to colour the outside of the box, if the rate is ₹ 1 ·50 per sq-dcm.

The length of outer and inner radii of a hollow right circular pipe are 5 cm and 4 cm respectively. If the total surface area of the pipe is 1188 sq. cm, find the length of the pipe.