If * is an operation such that $a * b =

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Target Exam

CUET

Subject

General Test

Chapter

Logical and Analytical Reasoning

Topic

Puzzle

Question:

If * is an operation such that $a * b = 3a-4b$, find the value of $3*4$

Options:

-7

Correct Answer:

-7

Explanation:

Here,

a * b = 3a - 4b

lets, apply this to the questions:

3 * 4 = 3 (×3) - 4 (×4) = 9 - 16 = - 7