Multiple choice

A invested Rs. 76000 in a business. After a few months, B joined him with Rs. 57000. At the end of the year, the total profit was divided between them in the ratio 4 : 1. After how many months did B join?

  1. 8 months

  2. 4 months

  3. 39/4 months

  4. 3 months

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let's say B joined after y months. 

Then, (76000 * 12)/(57000 * (12 - y)) = 4 : 1

48/(36 - 3 * y) = 4

12 = 36 - 3 * y

y = 8 months

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