Question

Calculate the largest number of small cubes of side 7 cm which can be placed inside a large cube of side 20 cm. ​

Answer 1

Answer:

7889

Step-by-step explanation:

number of cubes =(volume of large cube/volume of small cube)=(20×20×20/7×7×7)=(8000/343)

but here after dividing larger volume by smaller volume we get remainder=111

=>Perfect number of cubes to be placed=(8000-111)=7889

Answer 2

Answer:

Volume of small cube = Side³

=> 7³

=> 7 × 7 × 7

=> 343 cm³

Volume of large cube = 20³

=> 20 × 20 × 20

=> 8000 cm³

The number of small cube which can be placed inside the large cube :-

=> Volume of large cube / Volume of small cube

=> 8000 / 343

=> 23 whole 111/343

=> 23 ¹¹¹⁄₃₄₃

Hence, the largest number of small cubes which can be placed inside the large cube = 23

I hope it's help you my dear friend.