Quantitative Aptitude - Arithmetic Ability Questions

Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

If 6x + 4(2-x) > 3x -2 > 5x/2 - x/4; then value of x is

Simplify : 132 - 142 + 172 - 250 = ?

What is the simplified value of (cos4 A – sin4 A)?

What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?

If tan4θ + tan2θ = 1 then the value of cos4θ + cos2θ is

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

If x+1x=5,then the value of x1+x+x2 is