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CIL 2020 | Numerical Ability | Question: 17

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$A$ and $B$ can do a work in $21$ days, $A$ is $\dfrac{7}{4}$ times as efficient as $B$. In how many days, $A$ alone can complete the $\dfrac{200}{3} \%$ of the work?

  1. $22$
  2. $33$
  3. $36$
  4. $27$

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