It is 5*5 = 25
The fifth square number of a positive integer is equal to 52 = 25.
325
Y is the twenty-fifth letter in the alphabet (25).
Because the 5th number which is 5 is the square root of 25.
5 to the twenty-fifth power is equal to 9,313,225,746,154,785,156, which is a very large number. This means multiplying 5 by itself 25 times. The result is a 20-digit number.
The number is called the exponent, e.g. 32, 25 (three squared, 2 to the fifth power).
5÷2/5=25/2=12½ or 12.5 ... not a whole number
1/25
Excluding zero, the fifth multiple is 25. (5, 10, 15, 20, 25)
2/25
It is probably 5/25.