Aptitude | Simplification and Approximation | Question 9

If a * b = 2a – 4b + 2ab, then 3*4 + 4*3 = ?
(A) 26
(B) 34
(C) 24
(D) 28

Answer: (B)
Explanation: 3*4 = 6-16+24 =14

4*3 = 20

=>14+20 = 34
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