Quantitative Aptitude - Arithmetic Ability Questions

If Cot θ = 21/20, then what is the value of Cosec θ?

199994 x 200006 = ?

The length of the base of an isosceles triangle is 2x­2y+4z, and its perimeter is 4x­2y+6z. Then the length of each of the equal sides is

In a rectangle _____.

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?

There is 40% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 25000 after 3 years at the same rate?

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

The perimeter of a square is 30 cm. Find its area (in cm²).