Quantitative Aptitude - Arithmetic Ability Questions

If u+v = 10 and uv = 16, then find the value of u2-v2uv

Find two numbers such that their mean proportion is 8 and third proportion is 64.

The profit (in Rs.) after selling an article for Rs.524 is the same as the loss (in Rs.) after selling it for Rs.452. The cost price of the article is:

Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?

Find the least number which must be subtracted from 18265 to make it a perfect square

When Gopal walks from A to B and returns from B to A on cycle, then it takes him 46 minutes. By walking both ways, it takes him 75 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

What will be the sum of the measures all the interior angles of a polygon having 14 sides?

A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)