Proportion

Age of A is $16$ years more than that of C and ratio between ages of B & C, $5$ years hence is $7:5$ respectively. If present age of B is $75\%$ of age of A $4$ years hence, then find present age of A is what percent of the sum of present ages of B & C together?

If the difference between the present age of A and B is three years and age of A will be is $25\%$ more than that of B after two years, then find the age of A after two years (in years)?

Ratio of area of rectangle to area of square is $1 : 4$. Ratio of perimeter of rectangle to perimeter of square is $1 : 2$. If length is $5$cm then find area of square ?

A vessel contains mixture of milk and water, in which water is $12.5\%$. When $48$ liters mixture is removed from the vessel and, then the quantity of remaining milk in the vessel is $112$ liters, then find quantity of water in the vessel initially?

A is three years elder than B and after two years the ratio of age of A to that of B will be $5 : 4$. Find the average of age of A and B after four years? (in years)?

Manoj & Nilu invested Rs. ‘P’ and Rs. $6000$ respectively, while Manoj left the business after eight months. If Manoj gets 50% less profit than Nilu at the end of one year, then find ‘P’?

A vessel contains mixture of milk and water in which milk is$75\%$. If $80$litres water added, then quantity of milk to water becomes $3 : 2$. Find the quantity of milk in mixture initially?

Ratio of age of Ravi to Vicky, $4$years ago was $5: 6$, while ratio of present age of Rocky to that of Vicky is $5: 4$. If $2$ years later sum of age of Ravi and Rocky will be $63$ years, then find the difference between present age of Ravi and Vicky?

The ratio of milk water in a mixture is $4:3$. If $6$ litres of water is added to this mixture, the ratio of milk to water becomes $8:7$. What is the quantity of milk in the original mixture?

In an annual exam of five subjects, a student's scores were in the proportion of $7:8:9:10:11$. If the maximum marks in each subject are $200$ and he scores $60\%$ overall, then in how many papers he scored more than $55\%$ marks?

The sum of allowances received by Riddhi and Siddhi together was Rs. $3, 800$ . Riddhi and Siddhi both paid $\frac{2}{8}th$ of their respective allowances as their tuition fees. If the tuition fees paid by Siddhi was more than that paid by Riddhi, by Rs. $80$ , how much was Riddhi's allowances?

Ninad, Vikas and Manav enter into a partnership. Ninad invests some amount at the beginning. Vikas invests double the amount after 6 months and Manav invests thrice the amount invested by Ninad after 8 months. They earn a profit of $\mathrm{₹}\mathrm{ }45000$ at the end of the year. What is Manav's share in the profit?

The length of rectangular floor is twice its breadth. If Rs. 256 is required to paint the floor at the rate of Rs. 2 per sq m, then what would be the length of floor?

A canteen requires 56 kgs. of rice for seven days. How many kgs. of rice will it require for the months of April and May together?

Six men can complete a piece of work in 35 hours. In how many hours will 15 men complete the same piece of work?

What is seventy five percent of three - fourth of $1600$?

In an examination it is required to get 290 of the aggregate marks to pass. A student gets 203 marks and is declared failed by 12% of total marks. What are the maximum aggregate marks a student can get?

Akshama invests Rs. 3, 888, which is 18% of her monthly income, in mutual funds. What is her annual income?

Veena invests Rs. 72318, which is 17% of her annual income, in mutual funds. What is her monthly income?

In an examination it is required to get 1050 of the aggregate marks to pass. A student gets 924 marks and is declared failed by 9% marks. What are the maximum aggregate marks a student can get ?