Given:
Neelam's daily income is ₹800.
Her daily savings amount is ₹100.
To find:
The ratio of her SAVINGS to her EXPENDITURE.
Solution:
We have,
Income = ₹800
Saving = ₹100
Expenditure = Income - Saving
= ₹800 - ₹100
= ₹700
We need to find the ratio of her SAVINGS to her EXPENDITURE.
Therefore, the correct option is b.