For the following questions answer them individually
The total surface area of a hollow cuboid is 340 cm$$^2$$. If the length and the breadth of the cuboid are 10 cm and 8 cm respectively, then whatis the length of the longest stick that can be fitted inside the cuboid?
A sum of money becomes 3 times in 10 years at the rate of compoundinterest (compounded annually). In how many years will it become 81 times?
The ratio of monthly incomes of Ram and Rahim is 4 : 3 and the ratio of their monthly expenditures is 3 : 2. If each saves ₹ 5000 per month, then what are the respective monthly incomes of Ram and Rahim?
A boat can travel 60 km in 3 hours while going downstream, It can travel 90 km in 5 hours while going upstream. What is the ratio of the speed of the boat in still water to the speed of the stream?
The simple interest for 9 years on a principal is $$\frac{3}{5}$$ of the principal. Whatis the rate of interest per annum?
A can do a piece of work alonein 8 days. B can do the same work alone in 21 days. If they work together for 3 days, then how much work is completed?
What is the value of $$\frac{3}{7} \div \frac{9}{21} + 2 - \frac{4}{3} + \frac{1}{2} of \frac{12}{5} \times \frac{25}{18} \div \frac{5}{9}$$?
A train crosses a 600 metres long platform in 50 seconds. It crosses another 900 metres long platform in 60 seconds. What are the length and the speed ofthe train? (Assuming the train is going at constant speed)
The Bar graph given below presents the marks (out of 100) obtained by 10 students in a subject.
The average of marks obtained by S3 and S5 is what percent less than the marks obtained by S9?