Question
Download Solution PDFThe second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFLogic : (1st number × 3) + 3 = 2nd number
So,
- Option - (1) : 2 : 9
2 × 3 + 3 = 9
6 + 3 = 9
9 = 9 (LHS = RHS)
- Option - (2) : 6 : 21
6 × 3 + 3 = 21
18 + 3 = 21
21 = 21 (LHS = RHS)
- Option - (3) : 10 : 33
10 × 3 + 3 = 33
30 + 3 = 33
33 = 33 (LHS = RHS)
- Option - (4) : 8 : 29
8 × 3 + 3 = 29
24 + 3 = 29
27 ≠ 29 (LHS ≠ RHS)
Hence, "Option - (4)" is the correct answer.
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