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വിട്ടുപോയ സംഖ്യ ഏത്? 2,9,28,___, 126, 217

A65

B63

C83

Dഇവയൊന്നും അല്ല

Answer:

A. 65

Read Explanation:

1 മുതൽ ഉള്ള സംഖ്യകളുടെ ക്യൂബ്+ 1 ആണ് ശ്രേണി അതിനാൽ അടുത്ത സംഖ്യ 4³ + 1 = 64 + 1 = 65 ആണ്.


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