Quantitative Aptitude - Arithmetic Ability Questions

 In ΔABC measure of angle B is 90 deg. If cotA = 7/24, and AB = 1.4cm, then what is the length (in cm) of side AC?

What is the reflection of the point (5, -2) in the line x = -1?

The HCF of 24, 60 and 90 is:

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

If (8 - 10x) - (13x - 2) = -9, then the value of x is

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

If sinA + sin2A =1 then what is the value of cos2A + cos4A

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).