In what ratio mixtures of 22% concentration of alcohol and 35% concentration of alcohol are to be added so that the resultant mixture will have 30% concentration of alcohol?
'P' allocates 25% of his income to rent and then spends 40% of the remaining amount on food and travel. After these expenses, he spends Rs. 5600 on misc...
A money lender finds that due to fall in the annual rate of interest from 13% to 3(3/4)%, his yearly income decreases by Rs.129.50. Find his capital?
Amit scored 80 marks in subject X. He scored 60% marks in subject B and Y marks in subject D. Maximum marks in each subject was 300. The overall percent...
Deksha borrowed Rs. 500 at 5% per annum simple interest. What amount (in rupees) will she pay to clear her debt after 4 years?
A man spends 72% of his income. If his income increases by 28% and his expenditure increases by 25%, then what is the percentage increase or decrease in...
'M' allocates 20% of his income to food and 40% of the remaining amount to rent. The expenditure on education is three times higher than his savings, wh...
Z spends 60% of his salary and saves the remaining. After his salary is increased by 30%, he saves 55% of the increased amount besides the amount he use...
A man spends 25% of his monthly salary on Rent and 32% on Groceries. He invest remaining monthly salary in the ratio of 11: 5 in Mutual Funds and Fixed ...
A spent 25% of his monthly income on study and 70% of the remaining on rent. If amount spent on rent is Rs. 2016, then find the amount spent on study
What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is ...
