Selected MCQ

Current Question
2003 × 2004 − 2001 × 2002 = ____.
  • A. 8000
  • B. 8010
  • C. 8020
  • D. 8040
Correct Answer: B
Explanation:
Use identity (a+1)(a+2) − (a−1)(a) = 4a+2.
Related Question 1
22004 − 29303 + 101299 − 59532 = ____.
  • A. 44000
  • B. 24500
  • C. 34500
  • D. 26000
Correct Answer: C
Explanation:
Add and subtract stepwise.