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Entries of row 6 in positions 0, 2, 4 and 6 are added. What is the total?
A28
B36
C32
D64
Answer & Solution
Correct answer: C. 32
Row 6 is 1, 6, 15, 20, 15, 6, 1 and 1 + 15 + 15 + 1 = 32, half the row total of 64 since the alternating sum is zero.
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