A backwards path calculation estimates that the last work package will be completed 24 days from this coming Monday. The scrum team operates in two-week sprints. How many sprints are needed to complet

Question

Options

• A2
• B1.5
• C3
• D2.5

• A
  4% (1)
• B
  81% (22)
• C
  7% (2)
• D
  7% (2)

Explanation

Option B (1.5 sprints) is correct because dividing 24 calendar days by a two-week (14-day) sprint gives approximately 1.71, which rounds to the nearest half-sprint increment of 1.5 - the closest available answer to the calculated value. One full sprint covers days 1–14, and the remaining 10 days represent roughly half of the next sprint, landing between 1 and 2 sprints.

Why the distractors are wrong:

• A (2): Tempting if you round 1.71 up to the nearest whole sprint, but the question asks for sprints needed, not for the first available sprint boundary that covers the work.
• C (3): This could result from incorrectly dividing by 8-day work weeks or misapplying the sprint length entirely - it's roughly double the correct answer.
• D (2.5): Likely chosen by those who divide 24 working days by 10 working days per sprint (2.4 ≈ 2.5), confusing calendar days with business days for the sprint length.

Memory tip: When a problem gives a calendar-day duration and sprint length in weeks, convert everything to the same unit - weeks or days - before dividing. "24 calendar days ÷ 14 days per sprint ≈ 1.5" is your anchor calculation here. If the answer isn't exact, pick the closest option rather than rounding to a whole number.

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