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CIL 2026 | Numerical Ability | Question: 21

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A researcher schedules three periodic tasks: Alpha every $22$ days, Beta every $36$ days, and Gamma every $45$ days. All three tasks are completed together today. She wants to schedule the next review meeting on the earliest day when all three tasks are due again. After how many days should she hold the review meeting?

  1. $1,320$
  2. $990$
  3. $1,980$
  4. $1,650$

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