How many workers would be needed to complete the same task in 6 days if it takes 10 days for 15 workers to complete a task? - Mathematics MCQ Competitive Exam 2026 | ExamTest.live | ExamTest.live

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How many workers would be needed to complete the same task in 6 days if it takes 10 days for 15 workers to complete a task?

A $28$
B $25$
C $18$
D $22$

Solution & Step-by-step Explanation

Using the work-equivalence formula M_{1} D_{1} = M_{2} D_{2} : * Initial workers (M_{1}) = 15 * Initial days (D_{1}) = 10 * Target days (D_{2}) = 6 15 \times 10 = M_{2} \times 6 150 = 6 M_{2} M_{2} = \frac{150}{6} = 25 workers

Practice this question

Try it yourself before checking the explanation above.

How many workers would be needed to complete the same task in 6 days if it takes 10 days for 15 workers to complete a task?

A

28

B

25

C

18

D

22

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Time and Work Unitary Method

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