Question

the ratio of the income of a person to his savings is 15 ratio 2 if is Saving of one year is rupees 7500 what is his monthly income

Answer 1

$\frac{income}{salary} = \frac{15}{2} \\ \frac{income \: of \: \: year}{7500} = \frac{15}{2} \\ income \: of \: \: year = 56250 \\ monthly \: income = \frac{56250}{12} = 4687.5$