If 5 × 4 = 16, 7 × 8 =

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Home Questions CFM49EFVS4

Target Exam

CUET

Subject

General Test

Chapter

Logical and Analytical Reasoning

Topic

Mathematical Operations

Question:

If 5 × 4 = 16, 7 × 8 = 60 and 6 × 5 = 27, then 8 × 4 is equal to:

Options:

Correct Answer:

Explanation:

Concept followed : a × b = (a + 3) × (b – 2)

⇒ 5 × 4

↓

(5 + 3) × (4 - 2) = 8 × 2 = 16

⇒ 7 × 8

↓

(7 + 3) × (8 - 2) = 10 × 6 = 60

Similarly,

⇒ 8 × 4

↓

(8 + 3) × (4 - 2) = 11 × 2 = 22

So, correct answer is option (4).