Quantitative Aptitude - Arithmetic Ability Questions

If 2+x+2-x2+x-2-x=2,then the value of X is

The simplification value of 735+2-552+7+227+5 is

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

The value of -3+3+87+43 is

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

In ΔABC, ∠BAC = 90° and AD is drawn perpendicular to BC. If BD = 7 cm and CD = 28 cm, then what is the length (in cm) of AD?

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

If a-1a=1, then a2 + 1a2 ?