The area of a trapezium is 2275 cm2, and the distance between its parallel sides is 35 cm. If the parallel sides of the trapezium are in the ratio 5 : 8, then the longer side among the parallel sides is:

Find the approximate volume and surface area of a sphere of radius 6 cm. (Use π = 227)

Ram has two spherical balls of radius 10.5 cm each and Meena has six spherical balls of radius 7 cm each. What is the total volume of the balls that Meena has?