From the given options –
(a) 19 : 361 → 192 = 361
(b) 23 : 539 → 232 = 529 ≠ 539
(c) 28 : 784 → 282 = 784
(d) 17 : 289 → 172 = 289
In all options except (b), the second number is the square of the first number. However, in option (b), 539 is not the square of 23, making it the odd one out.
Therefore, the correct answer is (b) 23 : 539.
English
100 Questions
100 Marks
90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishFour number-pairs are given, three follow a pattern. Choose the odd pair.
Find the odd one out.
Four number-sets have been given, out of which three are alike in some manner and one is different. Select the number-set that is different.(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.)
In three of the following four number pairs, the numbers are related in the same way and thus form a group. Which number pair DOES NOT belong to that group?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
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