164, 160, 172, 136, 188, 128
ATQ, 164 – (2 × 2) = 160 160 + (3 × 4) = 172 172 – (4 × 6) = 148 148 + (5 × 8) = 188 188 – (6 × 10) = 128 Therefore, 148 should come in place of 136.
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