Question
If 15 & 4 # 25 = 35 and 50 # 5 & 7=15, then
12 & 6 # 32=?Solution
Here & means ' × ' and # means ' − ' In, 15 & 4 # 25 = 35 15 × 4 – 25 = 35 60 – 25 = 35 35 = 35 In, 50 # 5 & 7 = 15 50 – 5 × 7 = 15 50 – 35 = 15 15 = 15 Similarly, 12 & 6 # 32=? 12 × 6 – 32 = ? 72 – 32 = 40
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