Question

If 5 persons complete a job in two days, then 10 person can finish the job in how many days?​

Answer 1

Of 5 persons can complete a job in 2 days then 10 person can complete it in 2×2=4 days

Answer 2

5 persons complete a job in 2 days.

5n persons complete the same job in 2/n days.

∴ 5 × 2 = 10 persons complete the same job in 2 ÷ 2 = 1 day.

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