ITPEC IP October 2024 Question 52
ITPEC IP October 2024 — Question 52 of 100
Eleven staff members are required from the sixth day. With equal productivity, express the work in person-days. The original plan contains 10 × 15 = 150 person-days. During the first five days, eight people complete 8 × 5 = 40 person-days, leaving 150 − 40 = 110. There are ten days remaining, so the required staffing is 110 ÷ 10 = 11.
Answer (b)
Why not others:
- (a) 10 would provide only 100 remaining person-days, leaving 10 unfinished
- (c) 12 provides 120 remaining person-days, more than the stated requirement
- (d) 14 provides 140, also exceeding the necessary work
Key rule: When productivity is constant, total effort equals people × days; subtract effort already completed, then divide by the remaining days.
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