Lucky spends 85% of her income. If her expenditure increases by x %, savings increase by 60% and income increases by 26%, then what is the value of x ?
Options:
34
30
20
26
Correct Answer:
20
Explanation:
We know ,
Income = Saving + Expenditure
Let the income of Lucky be 100x
So, increased income = 126x
Expenditure of Lucky = 85x
Saving = 15x
Now saving increased 60%
So,
15x × \(\frac{8}{5}\) = 24x
So Expenditure = 126x - 24x = 102x
Increased in expenditure = 102x - 85x = 17x
So, percentage increased =\(\frac{17x}{85x}\ × 100 = 20%