CAYLEY 2022 Problem 5

Past Contests CAYLEY 2022
1

The expression (5 \times 5)+(5 \times 5)+(5 \times 5)+(5 \times 5)+(5 \times 5) is equal to

Answer Choices
A. 5
B. 10\:000
C. 625
D. 19\:525
E. 125