[511] 7, 26, 63, 124, 215, 342, ?

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Aptitude

TNPSC G4

10th CBSE Maths

7, 26, 63, 124, 215, 342, ?

391

421

481

511

Explanation:
The terms of the given series are (23 – 1), (33 – 1), (43 – 1), (53 – 1), (63 – 1), (73 – 1),…..So, missing term = (83 – 1) = (512 – 1) = 511.

Additional Questions

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4, 9, 25, ?, 121, 169, 289, 361	Answer
6, 13,28,59,?	Answer
4, 12, 36, 108, ?	Answer
Which term of the series 5, 8, 11, 14,…..is 320?	Answer
8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12	Answer
3, 7, 15, ?, 63, 127	Answer
121, 143, 165, 186, 209	Answer

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