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I was interviewed in Feb 2017.
The angle between the hour hand and minute hand at 3:15 is 7.5 degrees.
At 3:00, the hour hand is at the 3 o'clock position, which is 90 degrees.
In 15 minutes, the minute hand moves 90 degrees (360 degrees divided by 4).
The hour hand also moves slightly in 15 minutes, covering 7.5 degrees (30 degrees divided by 4).
Therefore, the angle between the hour hand and minute hand at 3:15 is 7.5 degrees.
Factorial code using recursion
Recursion is a technique where a function calls itself
Factorial of a number is the product of all positive integers less than or equal to that number
To calculate factorial using recursion, the base case is when the number is 0 or 1
The recursive step is to call the factorial function with the number decremented by 1 and multiply it with the number itself
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