4 : 64 : : 5 : _____

Explanation

Step 1: Analyze the relationship between the first pair of numbers (4 and 64).

The number 64 is the cube of 4:

4³ = 4 × 4 × 4 = 64 Step 2: Apply the same relationship to the second pair of numbers (5 and ?).

Calculate the cube of 5:

5³ = 5 × 5 × 5 = 125

Final Answer

The missing number is 125.