15) A solid metal cylinder of radius 12 cm and height of 18 cm is melted and cast into spheres of 3 cm radius. The number of spheres that can be made is

144

Answer is:

72

71 m

79 m

78 m

80 m

Answer is:

220 degree to 330 degree

400 degree to 500 degree

560 degree to 600 degree

100 degree to 200 degree

Answer is:

280 degree centigrade

820 degree centigrade

200 degree centigrade

800 degree centigrade

Answer is:

effort is between the load and fulcrum

the fulcrum is in between the effort and the load

load is placed between the effort and the fulcrum

None of the above

Answer is: