Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

What is the reflection of the point (5, 2) in the line x = -3?

Consider the circle shown below having angle AOB as 135 deg and the shaded portion is the x part of the circular region. Calculate the value of x.

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 sq cm, what is the ratio of area of ΔADE: area of quadrilateral BDEC?

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

Number of circles that can be drawn through three non-colinear points is

Which of the following numbers is divisible by 12?