One (1) is a default value for Step value in Fill Series
Time is invalid type for fill series in Excel
We can perform Divide operation on Paste Special
The Excel RAND function returns a random number between 0 and 1. For example, =RAND() will generate a number like 0.422245717. RAND recalculates when a worksheet is opened or changed. RAND calculates a new value each time the worksheet is calculated.