Question
The expenditure-to-savings ratio
of an individual 'P' is 5:4. If the person's income rises by 25% and their savings increase by 31.25%, what percentage increase should their expenditure undergo?Solution
ATQ, Let, expenditure and savings of a person 'P' be Rs. 5x and Rs. 4x, respectively. Therefore, income of 'P' = expenditure + savings = 5x + 4x = Rs. 9x According to question, 9x × 125% = 4x × 131.25% + Expenditure Expenditure = 11.25x – 5.25x = Rs. 6x Therefore, percentage increase in expenditure = [(6x – 5x)/5x] × 100 = 20%
A invested a certain amount in Debt and Equity mutual funds in the ratio of 5: 6 respectively. At the end of one year, he earned a total dividend of 40%...
The ratio of the selling prices of two articles, A and B, is 3:4. Article A is sold at a profit of Rs. 540, and article B is sold at a loss of 10%. If t...
120 cookies were distributed among 20 students in a class such that each boy gets 8 cookies and each girl gets 4 cookies. Find the number of boys in the...
A bag contains coins of ₹2, ₹1 and 50 paise in the ratio 4:6:8. If the total money in the bag is ₹576, how many 50-paise coins are there?
A chemist combines three solutions with active ingredient concentrations of 10%, 20%, and 30% in the ratio 2:3:5. If the total volume of the mixture is ...
In a cricket match, five players contributed to the total runs. The ratio of runs scored by Dhoni to Raina is 5:4, and the total runs scored by all five...
If A:B:C = 3:5:7, then find the ratio of (A + 2C) : (4B − C)
Rs. 1575 was wrongly divided between ‘X’, ‘Y’, and ‘Z’ in the ratio of 3:4:8, respectively, instead of (1/3):(1/4):(1/8). Amount received by...
- Three figures X, Y, and Z are such that X is 1.5 times Y and Z is the mean of X and Y. The sum of all three comes out to be 675. Find the second greatest f...
In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?
Relevant for Exams:
