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Solutions
The correct answer is option 1 i.e. 148.
The logic used here is:
186 - (2 × 3) = 186 - 6 = 180
180 - (3 × 4) = 180 - 12 = 168
168 - (4 × 5) = 168 - 20 = 148
148 - (5 × 6) = 148 - 30 = 118
118 - (6 × 7) = 118 - 42 = 76
Hence, the correct answer is 148.