How To Increase Your Savings

In an economy marginal propensity to save is 0.10. How much increases in investment is required so that national income rises by 400 crores?

A man saves Rs.32 during the first year,Rs.36 in the second year and in this ay be increases his savings by Rs.4 every year.Find the in what time his saving will be Rs.200 .

A man saves 30% of his income in 1 year. If he wants to save the same amount in 8 months, then by how much percentage should he increase his monthly savings?

A man spends 2/3rd of his income. If his income increases by 14% and the expenditure increases by 20%, then the percentage increase in his savings will be

A man spends 75% of his income.His income increases by 25% and his expenditure increases by 10% .The percentage increase in his savings is