If (43)3+(121)3+(241)3+? upto 15 terms =225k, then k is equal to (A) 108 (B) 9 (C) 27 (D) 54

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

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(\frac{3}{4})^{3} + (1 \frac{1}{2})^{3} + (2 \frac{1}{4})^{3} + ?

upto 15 terms

= 225 k,

then

k

is equal to (A)

108

(B)

9

(C)

27

(D)

54

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Question Text	If $(\frac{3}{4})^{3} + (1 \frac{1}{2})^{3} + (2 \frac{1}{4})^{3} + ?$ upto 15 terms $= 225 k,$ then $k$ is equal to (A) $108$ (B) $9$ (C) $27$ (D) $54$
Answer Type	Video solution: 1
Upvotes	150