Question
In a joint business venture, 'A' contributes Rs. 2400,
which is 25% less than 'B’s investment. While 'A's investment lasts for 8 months, 'B' only invests for 3 months. Given that 'B' earns a profit of Rs. 1200, calculate the combined total profit that 'A' and 'B' earn from this business.Solution
According to the question, Sum invested by ‘B’ = 2400/0.75 = Rs. 3200 Ratio of profits received by ‘A’ to ‘B’ = (2400 × 8):(3200 × 3) = 2:1 Therefore, required profit received = 1200 × (3/1) = Rs. 3600 Hence, option d.
Salaries of A and B are in the ratio 5 : 7. If A’s salary increases by 20% and B’s salary decreases by 10%, what is the new ratio?
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