Four number-pairs are given, three follow a pattern. Choose the odd pair.
Logic: Second number = First number × (First number + 1)
A) 12 : 156
12 × 13 = 156 → follows the pattern
B) 15 : 240
15 × 16 = 240 → follows the pattern
C) 14 : 210
14 × 15 = 210 → follows the pattern
D) 21 : 468
21 × 22 = 462 ≠ 468 → does not follow the pattern
Thus, the odd pair is option (D).
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 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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