Multiple choice

The weight of a solid cone having diameter $14$ cm and vertical height $51$ cm is .................... if the material of solid cone weighs $10$ grams per cubic cm.

  1. $26.18$ kg
  2. $2.18$ kg
  3. $6.18$ kg
  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Volume of cone = (1/3) * pi * r^2 * h. r = 7, h = 51. Volume = (1/3) * (22/7) * 49 * 51 = 2618 cubic cm. Weight = 2618 * 10 grams = 26180 grams = 26.18 kg.