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Sequences and Series question

2024 · 4 Apr · Shift 2 · Q47
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  5. /2024 · 4 Apr · Shift 2 · Q47

Sequences and Series question

2024 · 4 Apr · Shift 2 · Q47

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
Let three real numbers a,b,ca, b, ca,b,c be in arithmetic progression and a+1,b,c+3a+1, b, c+3a+1,b,c+3 be in geometric progression. If a>10a\gt 10a>10 and the arithmetic mean of a,ba, ba,b and ccc is 8, then the cube of the geometric mean of a,ba, ba,b and ccc is
  1. A
    120
  2. B
    316
  3. C
    312
  4. D
    128
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