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  1. If a * b = a + b + ab, then 3 * 4 – 2 * 3 is equal to :
    1. 6
    2. 8
    3. 10
    4. 12
Correct Option: B

Given a * b = a + b + ab
∴  3 * 4 – 2 * 3
= (3 + 4 + 3 × 4) – (2 + 3 + 2 × 3)
= (7 + 12) – (5 + 6) = 19 – 11 = 8


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