In three of the following pairs are same by same pattern except one pair. Which pair does not follow this pattern?
30 : 24
This is a classification question in which three pairs share one common relationship and one pair breaks it; we must find the odd pair.
The natural relationship to test is the difference between the two numbers of each pair.
For 18 : 13 the difference is \(18 - 13 = 5\).
For 34 : 29 the difference is \(34 - 29 = 5\), and for 27 : 22 it is \(27 - 22 = 5\).
So three pairs all show a constant gap of 5 between their numbers, establishing the shared pattern.
For 30 : 24 the difference is \(30 - 24 = 6\), which does not equal 5 and therefore violates the common rule.
The key idea is identifying the single invariant (a difference of 5) and spotting the pair that fails it. Hence the odd pair is 30 : 24.
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(NOTE: Operations should be performed on the whole numbers, without breaking down the number 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)
Important Questions from Classification
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(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/deleting/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.)
The following contains two pairs of words which are related to each other in a certain way. Three of the following four word-pairs are alike as these have the same relationship and thus form a group. Which word-pair does NOT belong to that group?
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(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 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.)
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(The words must be considered as meaningful English words and must not be grouped based on the number of letters/number of consonants/vowels in the word)
