Quantitative Aptitude - Arithmetic Ability Questions

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

Find the odd word/letters/number from the given alternatives.

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

If 2x+13x = 5, the value of 5x6x2+20x+1 is

Slope of the line AB is -4/3. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?

Select the odd word/letters/number/number pair from the given alternatives.

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

If √(1+tan2A) = x, then the value of x is