In (6374)1793 x (625)317 x (341491), what is the unit digit?
A. 0
B. 2
C. 3
D. 5
Answer:A
In (6374)1793 x (625)317 x (341491), what is the unit digit?
A. 0 B. 2 C. 3 D. 5
Explanation: The unit digit in (6374)1793 is the same as the unit digit in (4)1793.= In [(42)896 x 4], the unit digit is 6 × 4 = 4 = Unit digit in625-317 = 625-317 = 625-317 = 625-317 = 625-317 = 625-317 = 625-317 = (5),317 + 5 =digit in the unit (341),491 is the unit digit in the number 491. (1),1 + 491,Unit digit in (4 x 5 x 1) = 0. Required digit = Unit digit in (4 x 5 x 1) = 0.