Question

The ratio of the income to the expanditure of a family is 7 is to 6 find the savings if the income is 1400 rupees

Answer 1

$income \div 7 = part$
$part \times 6 = expenditure$
$income - expenditure = savings$
Here income = 1400
If you substitute, part=200
expenditure=1200, so savings are 200 rs