Salaries of A, B and C are in the ratio 1 : 2 : 3. Salary of B and C togather is Tk.6000. By what percent is salary of C more...

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Salaries of A, B and C are in the ratio 1 : 2 : 3. Salary of B and C togather is Tk.6000. By what percent is salary of C more than that of A?