15 Men Can Do a Work in 20 Days. If There Are 25 Men, How Many Days Will It Take to Complete the Work? - Mathematics

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MCQ

15 men can do a work in 20 days. If there are 25 men, how many days will it take to complete the work?

Options

  • 20

  • 15

  • 12

  • 35

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Solution

12
Explanation:

Here, M1 = 15, D1 = 20

M= 25, D= ?

⇒ `15xx20=25xx`D2

⇒ D2 = `(15xx20)/25` = 12

Concept: Time and Work (Entrance Exam)
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