What is the edge of a cube whose volume is equal to the sum of the volumes of the cubes of edge 6 cm, 8 cm and 10 cm ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 12 cm
Formula used:
Volume of cube = side3
Calculations:
Let the edge of the cube be x
According to the question;
⇒ Volume of original cube = 63 + 83 + 102
⇒ x3 = 216 + 512 + 1000
⇒ x3 = 1728
⇒ x = 12 cm