Exams › SSC CGL (Prelims) › General
Identify the missing number: the second number relates to the first, and the fourth to the third, in the same way the fifth relates to the sixth. 6 : 125 :: 2 : 1 :: 5 : ?
- 81
- 64
- 68
- 72
Correct answer: 64
Solution
Pattern: second = (first - 1)^3. For 6: (6-1)^3 = 125. For 2: (2-1)^3 = 1. For 5: (5-1)^3 = 64.
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