A person saves 20% of his income if his income increases by 20% and he decides to save 30% of his income what by what percent has he is Saving in increased

A person can save 25% of his income. If his income increases by 20% and still he saves the same amount as before, the percentage increase in his expenditure is ...........

A person spends 80% of his income . If his income increase by 35% and his expenditure increases by 37 (1)/(2)% . By how much percent of his saving will increase or decreases ?

A person spends 60% of his monthly income. If his income increases by 60% and the expenditure increases by 90%, then what is the percentage increase or decrease in his monthly savings?

Anita spends 68% of her monthly income .If her monthly income increases by 40% and the expenditure increases by 30% ,then by what percent does her saving increase ?

A saves 20% of his income. His income is increased by 25%, so he increased his expenditure by 25%. What is the percentage change in his savings?