16 and 64: These are squares of 4 and 8 and 8 - 4 = 4
49 and 169: These are squares of 7 and 13 and 13 - 7 = 6
36 and 100: These are squares of 6 and 10 and 10 - 6 = 4
25 and 81: These are squares of 5 and 9 and 9 - 5 = 4
Thus, the correct answer is (b) 49 - 169 is the odd one out.
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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