Exams › SSC CGL (Prelims) › General
Identify the value that fits the blank: 729 : 90 :: ? : 56 :: 512 : 72
- 323
- 343
- 352
- 335
Correct answer: 343
Solution
Pattern: n^3 pairs with n(n+1). For 729: 9^3=729, 9x10=90. For 512: 8^3=512, 8x9=72. For 56: n(n+1)=56 -> n=7 (7x8=56), so 7^3=343.
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