186, 179, 170, 162, 146, 131, 114
ATQ, 186 - 7 = 179 179 - 9 = 170 170 - 11 = 159 159 - 13 = 146 146 - 15 = 131 131 - 17 = 114 Therefore, '159' should come in place of '162'
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