RRB NTPC · Question 25
The unit digit in 4 × 38 × 764 × 1256 is:
Show answer & explanation
Answer: (D) 8
Explanation
Multiply only the unit digits: 4 × 8 = 32 → 2; 2 × 4 = 8; 8 × 6 = 48 → 8. The unit digit is 8.
Railways PYQCBT 1 2020
RRB NTPC · Question 25
Answer: (D) 8
Multiply only the unit digits: 4 × 8 = 32 → 2; 2 × 4 = 8; 8 × 6 = 48 → 8. The unit digit is 8.