7th Class
Mathematics
Comparing Quantities
Question Bank
Ratio and Proportion, Percentage and S.I. and C.I.
question_answer
If \[\mathbf{7a}\text{ }+\text{ }\mathbf{3b}\text{ }:\text{ }\mathbf{4a}\text{ }+\text{ }\mathbf{9b}\text{ }=\text{ }\mathbf{9}\text{ }:\text{ }\mathbf{7}\] then the value of \[\frac{\mathbf{a+b}}{\mathbf{a}}\] is _______.