Ratio between income and expenditure of A is 15 : 6. If income of A increased by 20% and 33⅓% in two successive years and expenditure remain same, then his saving is increased by Rs. 18000. Find new income of A?
Answers
Step-by-step explanation:
The ratio of expenditure and savings is 3 : 2. If the income increase by 15% and the savings increases by 6%, then by how much percent should his expenditure increases ?
ANSWER
saving
expenditure
=
2
3
=k (let)
saving
expenditure
=
2k
3k
Income=3k
Saving=2k
Income=3k+2k
=5k
∴ Income increased =5k+
100
15×5k
=5k+
100
15×5k
=
4
20k+3k
=
4
23k
Saving increase by 6%
∴ New saving =2k+
100
6×2k
=2k+
25
3k
=
25
53k
New Expenditure=(
4
23k
−
25
53k
)
=
100
363k
Now,
Increase in expenditure =
100
363k
−3k
=
100
363k−3k
=
100
63k
∴ Percent increase in expenditure=
100×3k
63k
×100%
=21%
hope it helps u