For the following questions answer them individually
If the curved surface area of a solid cylinder is two-fifth of its total surface area, then what is the ratio of its diameter to its height?
The value of $$\frac{1}{8} \times \left[ \frac{1}{5} \ of \ \frac{11}{2} \div \left\{\left(\frac{15}{3} - \frac{18}{6}\right)\right\}\right]$$ is:
The value of $$12 \div \left(1/2\right) + \left\{\left(35 \div 7\right) \ of \ 40\right\} + 20 - 15 \ of \ 10$$ is:
If the cost price of an article is 80 percent of its selling price, then what is the profit percentage?
The bar graph shows the number of employed and unemployed people in 5 different countries. Find the ratio of unemployed people in India to employed people in Russia.
The following table shows the number of students from 4 different schools playing different games. What is the ratio of the total students who played Basketball in School A and C together to the total students who played Football in school B and D together?
A lone can paint a house in 35 days and B alone can do it in 70 days. Along with C, they did the job in 10 days only. In how many days C alone can do the job?
A earns in march twice as much as in each of the other months. What is the ratio of his earnings in march to the annual earnings?