For the following questions answer them individually
A boatcovers 64 km upstream in 8 hours and 120 km downstream in 12 hours. Whatis the speed (in m/s)ofthe boat in still water
The height of a right circular cone is 24 cm and the radius of its base is 7 cm. What is the cost of painting the curved surface area of the cone at the rate of ₹6 per cm$$^2$$? (Take $$\pi$$=$$\frac{22}{7}$$)
What will be the size of image formed by a concave mirror when an object placed between Pole and Focus?
