For the following questions answer them individually
A solid metallic cylinder with a base radius of 3 cm and a height 120 of cm is melted and recast into a sphere of radius r cm. What is the value of r if there is a 10% metal loss in the conversion?
The value of $$\frac{3\frac{1}{4}-\frac{4}{5} \ of \ \frac{5}{6}}{4\frac{1}{3}-\div\frac{1}{5}-(\frac{3}{10}+21\frac{1}{5})}-(2\frac{1}{3} \ of \ 1\frac{1}{2})$$
Study the given graph and answer the question that follows.
In which office of the company is the number of male employees 25% more than the average number of female employees in all five offices?
Pipes A, B and C can fill a tank in 30 hours, 36 hours and 28 hours, respectively. All the three pipes were opened simultaneously. If A and C were closed 5 hours and 8 hours, respectively, before the tank was filled completely, then in how many hours was the tank filled?
A and B can do a certain work in 12 and 18 days, respectively. They work together for 5 days. The remaining work was completed by C alone in $$27\frac{1}{2}$$ days. What part of the same work can be completed by A, Band C together in 6 days?
A sum od ₹4,000 is lent at 10% p.a., interest compounded annually. What is the difference between the compound interest for the $$2^{nd}$$ year and the $$3^{rd}$$ ?
The speed of a bus without stoppages is 40 km/h and with stoppages is 32 km/h. How many minutes per hour does the bus stop?
An artcle is sold at a profit of 25%. If both the cost price and the selling price of the article are increased by ₹200, then the profit percentage is 20%. What is the original cost price of the article?
A dealer sells an article by allowing a 20% discount on its marked price and still gains 12%. If the cost price of the article is ₹750, then its marked price (in ₹) is: