UPSC PYQPrelims 2025

Civil Services Examination · ಪ್ರಶ್ನೆ 20

What is the unit digit in the multiplication of 1 × 3 × 5 × 7 × 9 × ... × 999?

  1. 1
  2. 3
  3. 5
  4. 9
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (C) 5

ವಿವರಣೆ

The product of odd numbers including 5 ends in 5. (Answer as per the official UPSC answer key.)