The ratio of two numbers is 4 : 5. If 15 is added to each of the two numbers, the ratio becomes 7 : 8. What is the sum of the two numbers?

The ratio of the numbers of boys to the number of the girls studying at a school is 6 : 5. If 24 more girls join the school, then the ratio of the number of boys to the number of girls studying at the school would be 54 : 49. What is the total number of students studying at the school?

The income of P and Q are in the ratio 5 : 4 and their expenditure are in the ratio 3 : 2. If each one saves Rs. 1,000, then what is the income of P?

The ratio of the monthly incomes of three families X, Y and Z is 5 : 6 : 7 and their respective monthly expenditures are in the ratio of 4 : 5 : 6. If each family saves Rs. 2,000 every month, then what is the sum of the incomes of the three families together?

The ratio of incomes of A and B is 3 : 2. The ratio of their expenditure is 4 : 3. If B spends 3/4th of his income, what is the ratio of their savings?

The ratio of the incomes of P and Q is 3 : 5. If they spend 60% and 80% of their incomes respectively, then what is the ratio of their savings?

If the numerator of fraction is increased by 20% and the denominator of the fraction is decreased by 25%, the resultant fraction would be 16/25. What is the original fraction?

Mohan went on a tour to two cities. In the first city, he spent Rs.24,324. In the second city, he spent Rs.35,676. On finishing his tour, he was left with 25% of the initial amount he had. Find the initial amount.

The present population of a town X is 3/5 times the present population of town Y. The population of town Y increases by 20% every year and the difference between the population of it two years ago and one year ago was 12,700, then find the present population of town X?

The numerator of a fraction is five less than the denominator. When two is added to both numerator and the denominator then the fraction would become 1/2. What is the original fraction?

The cost prices of two articles are in the ratio of 4 : 5. The cheaper one was sold at a profit of 25% and the other at a loss of 11%. Find the overall profit / loss percent.

Mr.Arun purchased a television for Rs.10,500. He spent Rs.400 for transportation and Rs.600 for installation. At what price should he sell it in order to earn a profit of 18%?

The profit earned on selling an article for Rs.3,420 is twice the loss incurred on selling the article for Rs.2,880. What is the cost price of the article?

Kiran bought 15 articles for Rs.480. He sold 12 articles at Rs.45 each and the rest were damaged. Find the overall profit percent

The simple interest accrued on Rs.16,000 at the end of three years is Rs.5,760. What would be the compound interest accrued on Rs.20,000 in two years, interest being compounded annually, at the same rate of interest?

At a certain rate of compound interest a sum amounts to Rs.1500 at the end of the first year and to Rs.2,160 at the end of the third year. What was the amount at the end of the second year?

A sum of Rs.16,000 is lent at 5% p.a compound interest, with interest being compounded annually. Find the difference between the compound interest generated on it at the end of the third year and the second year.

Two sums are in the ratio of 8 : 5. Both the sums were lent at 10% p.a compound interest at the end of two years. The difference between the interests at the end of two years was Rs.8,820. What was the smaller sum?

What will be the total amount on a sum of Rs.15000 at 16% p.a, the interest being compounded half yearly, after one year?