To find 10 of 25, you need to calculate 10% of 25. This can be done by multiplying 25 by 0.10.
So, the calculation is:
25 x 0.10 = 2.5
Therefore, 10% of 25 is 2.5. In simpler terms, if you take a set of 25 items and want to find out what 10% of that set amounts to, you would have 2.5 items.