Exams › SSC CGL (Prelims) › General
Identify the missing number in the pattern: 15 : 125 :: 27 : ? :: 36 : 1728
- 689
- 749
- 790
- 729
Correct answer: 729
Solution
The rule is: divide the first number by 3, then cube the result. 15 ÷ 3 = 5, 5³ = 125 ✓; 36 ÷ 3 = 12, 12³ = 1728 ✓; so 27 ÷ 3 = 9, 9³ = 729.
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