Out of his total income, Mr. Rahul spends 20% on house rent and 70% of the rest on house-hold expenses. If he saves 1,800, what is his total income?A7000B7200C7250D7500Answer: D. 7500 Read Explanation: Let total income be = I after spending 20% of I, he has =80I/100 after spending 70% of remaining he has= (30x80)I/100x100=1800 I=1800x100/24=7500Read more in App