How many stones of `0.50 M ^(2)` can be fixed in a coury yard of length 15 M and width 10 M. If cost of fixing one stone is Rs. 2.50, what will be the expenditure on fixing stones in the courtyard ?

Find the cost of fencing a rectangular park of length 150 m and breadth 50 m at the rate of Rs 10 per metre.

A rectangular playground is 35 m long and 15 m broad. Find the cost of fencing it at Rs. 2.50 per metre.

A stone of mass 1 kg is thrown with a velocity of 20ms^(-1) across the frozen surface of a lake and it comes to rest after travelling a distance of 50m. What is the magnitude of the force opposing the motion of the stone?

A stone of 1kg is thrown with a velocity of 20 ms^(-1) across the frozen surface of lake and comes to rest after travelling a distance of 50m . What is the force of friction between the stone and the ice?

A person purchases a silk cloth of length 50 m and width 1 m at the rate Rs 250 per sq m and a cotton cloth of length 40 m and width 2 m at the rate of Rs 200 per sq.m .What is the difference between the prices of two cloths ?

A stone is tied to one end of a string 50 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 10 revolutions in 20 s , what is the magnitude of acceleration of the stone

A stone of 1 kg is thrown with a velocity of 20ms^(-1) across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice ?

The diagonal of a rectangle field is 15 m and its area is 108 m^2 . What is the cost of fencing the field at ₹50.50 per m?