Question

a person spends 75% of his income his income increased by 20% and experience increased by 15% then find the percentage increase in his savings​

Answer 1

Let his income be Rs. 100 Expenditure = Rs. 75

Now Income is increased by 20%

Thus, new income =120

Expenditure is increased by 10%=

100

75×110

= Rs. 82.50

Saving =120−82.50=37.50

Earlier saving =100−75=25

Increase in saving =

25

37.50−25

×100=50%

Answer 2

Step-by-step explanation:

Let his income be Rs. 100 Expenditure = Rs. 75

Now Income is increased by 20%

Thus, new income =120

Expenditure is increased by 10%=

100

75×110

= Rs. 82.50

Saving =120−82.50=37.50

Earlier saving =100−75=25

Increase in saving =

25

37.50−25

×100=50%