GRE Question of the Day (January 17th)

By - Jan 17, 02:00 AM Comments [0]

Math

If J = 2 + 4 + 6 + 8 + . . . 98 + 100, and K = 1 + 3 + 5 + 7 + . . . + 97 + 99, then 1222+3242+5262+.....+972982+9921002=

A) J² - K²
B) -50(J² - K²)
C) -K - J
D) K² - J²
E) (-J - K)²

 

Correct Answer -- (click and drag your mouse to see the answer)

Question Discussion & Explanation

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