Question
Insert the missing number.
7, 26, 63, 124, 215, 342, (....)
लुप्त संख्या लिखिए l
7, 26, 63, 124, 215, 342, (....)
Answer D.
D.7 = (2^3 - 1),
26 = (3^3 - 1),
63 = (4^3 - 1),
124 = (5^3 - 1),
215 = (6^3 - 1),
342 = (7^3 - 1),
8^3-1 = 511
Hence, the next number is 511.
So the correct answer is option D.
D.7 = (2^3 - 1),
26 = (3^3 - 1),
63 = (4^3 - 1),
124 = (5^3 - 1),
215 = (6^3 - 1),
342 = (7^3 - 1),
8^3-1 = 511
अतः, अगली संख्या 511 है।
इसलिए सही उत्तर विकल्प D है।
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