Question
Ramesh spends 15% of his income on house rent, 30% of
the remaining on groceries, 40% of the remaining on children's education, and (3/10)th of the remaining income on travel. He saves the rest. If his total savings is Rs. 12,000, find the amount he spends on children's education.Solution
ATQ, Let the income be Rs. '100n'  Amount spent on house rent = 0.15 × 100n = Rs. '15n'  Remaining income = 100n - 15n = Rs. '85n'  Amount spent on groceries = 0.30 × 85n = Rs. '25.5n'  Remaining income = 85n - 25.5n = Rs. '59.5n'  Amount spent on education = 0.40 × 59.5n = Rs. '23.8n'  Remaining income = 59.5n - 23.8n = Rs. '35.7n'  Savings = (7/10) × 35.7n = '24.99n'  So, 24.99n = 12,000  Or, 'n' = 480  Required amount = 23.8 × 480 = Rs. 11,424 Â
In a village election between two candidates, the winner secured 65% of the total votes cast and won by a majority of 9000 votes. How many votes did the...
The income of P is 2/5th of the income of Q and income of R is 60% more than the income of Q. Income of Q is Rs.30000 and expenditure of P is...
The population of a college grows by 25% annually. In 2019, the population was 24,000. By 2021, the ratio of boys to girls in the college is 7:8. What i...
40% students (boys + girls) in a science class are boys. Out of total boys, 60% are literate and 120 are illiterate. Find the number of literate girls i...
The total population of a village is 12600. If the rate of growth of male population is 20% per year and the rate of growth of female population is 10% ...
Out of the total income of Priya, she spends 25% on food, 30% on rent and 25% on groceries. Out of the remaining income, she donates 10% in a charity an...
The length and breadth of a rectangle are increased by 8% and 5%, respectively. By how much percentage will the area of the rectangle increase
Rihan spends 40% of his salary, which is Rs. 1200 more than the amount he would spend if he spent 30% of his salary. What is the total salary of Rihan?
Office A has 1250 employees, of which 44% are boys, and the remaining are girls. Office B has 12% more employees than Office A. I...
A person spent 15% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 5798.70, then find the amount spent on ...
Relevant for Exams:
