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If (3/4)^3+(1 1/2)^3 +(2 1/4)^3 +? upto ...

If `(3/4)^3+(1 1/2)^3 +(2 1/4)^3 +?` upto 15 terms `=225k,` then `k` is equal to (A) `108` (B) `9` (C) `27` (D) `54`

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS-All Questions
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