Question
Download Solution PDFThree of the following four triads are alike in a certain way as they are formed by performing same mathematical operations among themselves and thus form a group. Which triad does NOT belong to that group?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe logic followed here is:
Logic: (First number + Second number) + 1 = Third number
- 1. 12 ∶ 47 ∶ 60 → (12 + 47) + 1 = 59 + 1 = 60
- 2. 4 ∶ 16 ∶ 20 → (4 + 16) + 1 = 21 + 1 = 21 ≠ 20
- 3. 2 ∶ 7 ∶ 10 → (2 + 7) + 1 = 9 + 1 = 10
- 4. 5 ∶ 19 ∶ 25 → (5 + 19) + 1 = 24 + 1 = 25
Hence, '4 ∶ 16 ∶ 20' is the correct answer.
Last updated on Jul 16, 2025
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