Question

A man spends 12% of his income on food, 18% on children's education, and 70% of the remaining on house rent. What percentage of his income is he left with?

• A. 21%
• B. 30%
• C. 20%
• D. 28%

Answer 1

Answer:

A. 21%

Let total income = 100%

• Food = 12%

• Education = 18%

So total spent so far = 12 + 18 = 30%
Remaining = 70%

Now, he spends 70% of the remaining on rent:
$70\% \text{ of } 70 = 49\%$

So total expenditure =
30 + 49 = 79%

Remaining income =

100 - 79 = 21%

Final Answer:

21% of his income is left