general math MCQ #497

2003 * 2004 - 2001 * 2002 = _________?

general math MCQ #497

  1. Question 1

    Q1. 2003 * 2004 - 2001 * 2002 = _________?

    • A) 8000
    • B) 8010
    • C) 8020
    • D) 8040

    Answer: 8010

    Explanation: 2003 × 2004 − 2001 × 2002 = (2002+1)(2002+2) − (2002−1)(2002) = 2002² + 3×2002 + 2 − 2002² + 2002 = 4×2002 + 2 = 8010.