Quantitative Aptitude - Arithmetic Ability Questions

 Out of two numbers, 65% of the smaller number is equal to 45% of the larger number. If the sum of the numbers is 2574, then what is the value of larger number? 

If tanA = x, then x is

The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?

The number of diagonals in a hendecagon is

Thousand solid metallic spheres of diameter 6 cm are melted and recast into a new solid sphere. The diameter of the new sphere (in cm) is

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

A train is moving at the speed of 36 km/hr. How many seconds it will take to cover a distance of 600 meters?

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is