Question
Download Solution PDFSelect the odd group of numbers. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13– Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe pattern followed here is:
Logic: (First number)2 - 10 = Second number.
Let's check each option one by one.
Option 1) 13 — 159
⇒ (13)2 - 10
⇒ 169 - 10 = 159
Option 2) 9 — 71
⇒ (9)2 - 10
⇒ 81 - 10 = 71
Option 3) 5 — 31
⇒ (5)2 - 10
⇒ 25 - 10 = 15 ≠ 31
Option 4) 17 — 279
⇒ (17)2 - 10
⇒ 289 - 10 = 279
Hence, the correct answer is "5 - 31".
Last updated on Jul 10, 2025
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