isi-entrance 2013 Q67

isi-entrance · India 4 marks Number Theory Properties of Integer Sequences and Digit Analysis

The digit in the unit's place of the number $1! + 2! + 3! + \ldots + 99!$ is
(A) 3
(B) 0
(C) 1
(D) 7

The digit in the unit's place of the number $1! + 2! + 3! + \ldots + 99!$ is\\
(A) 3\\
(B) 0\\
(C) 1\\
(D) 7