Quantitative Aptitude - Arithmetic Ability Questions

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

The marked price of a pen is Rs 3000. The shopkeeper gives two successive discounts of 15% and a% to the customer. If the customer pays Rs 2142 for the pen, then what is the value (in percentage) of a?

If x=2+3,then the value of x2-x+1x2+x+1 is

The solution set of 4x - 3y = 47 and 3x + y = 32 is

The point P(a,b) is first reflected in origin to P1 and P1 is reflected in y-­axis to (6,­-5). The co-­ordinates of point P are

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

What is the equation of the line whose y­-intercept is ­3/4 and making an angle of 45° with the positive x-­axis?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?