Question

E.231 40. Water flows out second into an em 41. If the radii of the circ (C.B.S.E. 2007) dows out through a circular pipe whose internal radius is 1 cm, at the rate of 80 cm/ into an empty cylindrical tank, the radius of whose base is 40 cm. By how much will the vel of water rise in the tank in half an hour? (C.B.S.E. 2007) dii of the circular ends of a conical bucket, which is 16 cm high, are 20 cm and 8 cm, find e capacity and total surface area of the bucket. (C.B.S.E. 2008, 2011) sists of a frustum of a cone, surmounted by a cone. If the diameters of the upper and ular ends of the frustum be 14 m and 26 m respectively, the height of the frustum be plant height of the surmounted conical portion be 19. S.E. he sphe 42. A tent consists of a fru lower circular ends of th

Answer 1