Question 39

Logical Reasoning Pattern Series and Sequences Easy

Find the wrong term 5, 7.5, 15, 37.5, 112 , 393.75

(A) 37.5
(B) 112
(C) 7.5
(D) 393.75
✓ Correct Answer: Option B Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

Correct Answer: B (112)

The solution is found by identifying the multiplication pattern in the sequence.

The rule is to multiply the current number by a multiplier that increases by 0.5 with each step (x1.5, x2, x2.5, x3, and so on).

  • 5 × 1.5 = 7.5
  • 7.5 × 2 = 15
  • 15 × 2.5 = 37.5
  • 37.5 × 3 = 112.5
  • 112.5 × 3.5 = 393.75

According to the pattern, the term after 37.5 should be 112.5. The sequence lists it as 112, which is the wrong term.

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