શ્રેણી $S = \frac{1}{1 \times 3 \times 5} + \frac{1}{1 \times 4} + \frac{1}{3 \times 5 \times 7} + \frac{1}{4 \times 7} + \frac{1}{5 \times 7 \times 9} + \frac{1}{7 \times 10} + \dots$ ના $20$ પદો સુધીનો સરવાળો કેટલો થાય?

  • A
    $\frac{6179}{15275}$
  • B
    $\frac{6070}{14973}$
  • C
    $\frac{7191}{15174}$
  • D
    $\frac{5183}{16423}$

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$900$$(A)$$(B)$$(C)$$(D)$$(E)$

$(E)$ ની જગ્યાએ નીચેનામાંથી કઈ સંખ્યા આવશે?

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