The respective ratio of salaries of A and B is 8 : 7. If the salary of B increases by 10% and the salary of A increases by 20%, the new rat…

Solution

Let salaries of A and B be 8x and 7x respectively.
Increased salary of A by 20% = 9.6x
Increased salary of B 10% = 7.7x
And new ratio $\frac{9.6x}{7.7x} = \frac{96}{77}$

The salaries of either of them can't be determined with the provided information, hence E.