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A invested in a business. After few months, B joined him with . The total profit was divided between them in the ratio at the end of the year. After how many months did B join?
(a) months
(b) months
(c) months
(d) months
(e)None of these

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Important Questions on Ratio, Proportion and Variation
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Raman and Sanjay started a business by investing and respectively. If the total profit at the end of year is , Then what is the share of Raman?

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A, B and C undertook work for . Together A and B complete th part of the work. What is the share (in ) of C?

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A, B and C donate and of their salaries, respectively to a charitable trust. The salaries of A and B are same and the difference between their donations is . The total donation of A and B is more than that of C. The total donation of A and C is what percentage of their salaries of A, B and C? (Correct to one decimal place)

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