For the following questions answer them individually
A certain sum becomes 7 times in 8 years, at simple interest, then in how many years it will become 19 times?
The table given below shows the runs scored by 5 players in four matches.
Runs scored by C in match II is how much percent more than the runs scored by C in match I?
Runs scored by A in match II is what percent of the total runs scored by these five players in match II?
For the following questions answer them individually
A solid metallic sphere of radius 21 cm is melted and recast into a cone with diameter of the base as 21 cm. What is the height (in cm) of the cone?
The radius of a wheel is 3.5 cm. What is the distance (in cm) travelled by the wheel in 20 revolutions?
If the perimeter of a square is 44 cm, then what is the diagonal (in cm) of the square?
What is the curved surface area (in cm$$^{2})\ $$ of a cylinder having radius of base as 14 cm and height as 10 cm?
Three circles of radius 63 cm are placed in such a way that each circle touches the other two. What is the area of the portion enclosed by the three circles?