Quantitative Aptitude - Arithmetic Ability Questions

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 simplified value of (sec A + cos A)(sec A – cos A)?

If [4(2x/5 - 3/2)]/3 + 7/5 = 37/5, then what is the value of x?

The curved surface area and the slant height of a right circular cone are 858 cm² and 13 cm respectively. Find its diameter (in cm).

Convert decimal 99 to binary.

Mohan starts to calculate sum of all odd natural number less than 83. What result does he get?

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

The area of a triangle ABC is 63 sq.units. Two parallel lines DE, FG, are drawn such that they divide the line segments AB and AC into three equal parts. What is the area of the quadrilateral DEGF?