यदि $2x + \frac{2}{x} = 1$ है,तो $x^{3} + \frac{1}{x^{3}}$ का मान क्या है?

  • A
    $\frac{13}{8}$
  • B
    $-\frac{11}{8}$
  • C
    $\frac{11}{8}$
  • D
    $-\frac{13}{8}$

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निम्नलिखित समीकरण में प्रश्नवाचक चिह्न $(?)$ के स्थान पर क्या आना चाहिए?
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$\frac{3.6 \times 0.48 \times 2.50}{0.12 \times 0.09 \times 0.5}$ का मान ज्ञात कीजिए।

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