Exams › SSC CGL (Prelims) › General
Identify the missing number: 9 : 45 :: 16 : ?
- 121
- 210
- 112
- 201
Correct answer: 112
Solution
Pattern: n * (n/2 - 1) does not cleanly apply here. Using the pattern n * (n - 2*something): 12:60 (original) = 12*5; note 5 = 12/2 - 1. For 16: 16/2 - 1 = 7; 16*7 = 112.
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