The given bar graph shows the foreign direct investment (in millino dollars) in country A from all over the world oevr the given years 
What was the ratio of investment in 2018 to htat in 2015?
The area of a square is 16x2 + 40x +25 square units. Find the perimeter of the square
A rectangular piece of paper is 50 cm long and 22 cm wide. If a cylinder is formed by rolling the paper along its breadth, then the volume of the cylinder is:
If x2 + y2 =280 and xy=120, then find the value of \(\dfrac{x - y}{x + y}\)
\(\dfrac{1}{\sqrt{13}}\)
\(\sqrt{15}\)
\(\sqrt{13}\)
\(\dfrac{1}{\sqrt{15}}\)