Question
A and B started a business by investing sum in the ratio
4:7 respectively for 6 and 8 months respectively. If annual profit earned by B is Rs.2100, then find the total annual profit earned by A and B together.Solution
    A          :       B   4 × 6   :    7 × 8      3          :      7 Now, according to question, => 7 ------ 2100 => 1 ------ 300 => 10 ------ 3000 Total annual profit earned by A and B together is Rs.3000.
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