Question

A boy wants to make cuboids of dimension 5m, 6m and 7m from small cubes of . 03 m3. Later he realized he can make same cuboids by making it hollow. Then it takes some cubes less. What is the number of the cubes to be removed?

Answer 1

Answer:

Step-by-step explanation:

total number of cubes=5*6*7=210

given volume of each cube =0.03m3

so no of cubes can be formed is 210/0.03

no of hollow cubes=(5-2)*(6-2)*(7-2)/0.03=2000

so no of cubes to be removed is 7000-2000=5000.

Hope it helps you...