exam Maths Puzzle Numerical Ability

As light penetrates a body of water , its intensity 'I' decreases exponentially. For one particular pond it is known that the light intensity at the surface is 20candela/cm^2 and a

Read Solution (Total 0)

exam Other Question

Helped by a strong jet stream, a Los Angeles-to-Boston plane flew 10% faster than usual and made the 4400km trip in 30 min. less time than usual. At what speed does the plane usually fly? 9x^2-16y^2 over xy over 3 over y -4 over x