If \( \Large a * b = a + b + \frac{a}{b} \), then the value \( \Large 12 * 4 \) is


A) 48

B) 19

C) 20

D) 21

Correct Answer:
B) 19

Description for Correct answer:

\( \Large a * b = a + b + \frac{a}{b} \)

Therefore, \( \Large 12 * 4 = 12 + 4 + \frac{12}{4} \)

= 12 + 4 + 3 = 19


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