Four number-pairs have been given, out of whichthree are alike in some manner andoneis different. Select the number-pair thatis different from therest
17 $$\times (17 + 2) = 17 \times 19 = 323$$
23 $$\times (23 + 2) = 23 \times 25 = 575$$
19 $$\times (19 + 2) = 19 \times 21 = 399$$
11 $$\times (11 + 2) = 11 \times 13 = 143$$
$$\therefore$$ The correct answer is option C.
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