Exams › SSC CGL (Prelims) › General
Identify the value that completes the analogy based on the same mathematical relationship. 7 : 393 :: 9 : ?
- 729
- 810
- 812
- 811
Correct answer: 811
Solution
For 7: 7^2 x (7+1) + 1 = 49 x 8 + 1 = 392 + 1 = 393. Applying the same rule to 9: 9^2 x (9+1) + 1 = 81 x 10 + 1 = 810 + 1 = 811.
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