A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out? (a) 32 m3     (b) 36 m3     (c) 40 m3     (d) 44 m3

The inner diameter of a well is 8 m. If the well is 14 m deep, then what is the volume ?

The area of a circular field is equal to the area of a rectangular field. The ratio of the length and the breadth of the rectangular field is 14:11 respectively and perimeter is 100 metres. What is the diameter of the circular field? (a) 14 m (b) 22 m (c) 24 m (d) 28 m (d) None of these

The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 5 revolutions? (a) 36 m2 (b) 40 m2 (c) 44 m2 (d) 48 m2

The ratio of the outer and the inner perimeters of a circular path is 23 : 22. If the path is 5 metres wide, the diameter of the inner circle is (a) 55 m (b) 110 m (c) 220 m (d) 230 m

The circumference of a circular plot is 396 metres. What is the area of the circular plot? (a) 9446 sq. m (b) 9856 sq. m (c) 12474 sq. m (d) 18634 sq. m (d) None of these

A particle of mass m is dropped from a great height h above the hole in the earth dug along its diameter.

A cylindrical tank of radius 10 m is being filled with wheat at the rate of 314 cubic metre per hour. Then the depth of the wheat is increasing at the rate of (A) 1 m^3//h (B) 0.1 m^3//h (C) 1.1 m^3//h (D) 0.5 m^3//h

A square pond has 2m sides and is 1m deep. If it is to be enlarged,the depth remaining the same,into a circular pond with the diagonal of the square as diameter as shown in the figure, then what would be the volume of earth to be removed? (2 pi-2)m^(3)(b)(2 pi-4)m^(3)(c)(4 pi-2)m^(3)(d)(4 pi-4)m^(3)