A cylinder has a diameter of 8cm and a cuboid has a square base of side length 8cm. If both of these solids have a height of 14 cm then what is the difference in their volumes?

196 cc

1960 cc

1920 cc

195 cc

Correct Answer : C

A metallic cuboid has dimensions of 9cm × 10cm × 11cm. How many spherical balls of radius 0.3 cm, can be drawn from this cuboid?

simplifies to

If ax +by + c = 0 and dx + ey + f = 0 represent the same straight line then which of following is necessarily satisfied?