Quantitative Aptitude - Arithmetic Ability Questions

30% discount is offered on an item. By applying a promo code the customer wins 10% cash back. What is the effective discount?

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

2 ­- (cosA + sinA)2 is equal to

What is the value of 4600+540+1280+250+36 ?

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

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

If  2x+14x = 1, then the value of  x2+164x2is

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