Quantitative Aptitude - Arithmetic Ability Questions

Reflection of the point (3,-6) in the y-axis is

What are the co­-ordinates of the mid point of the segment joining points C(0,­-3) and D(8,5)?

If 7 + 3x ≥ 5 ­- x/2 and 2x + 3 ≤ 5 -­ 2x; then x can take which of the following values?

In what ratio should Darjeeling Tea costing Rs. 400 per kg be mixed with Assam Tea costing Rs. 300 per kg. So that by selling the mixture at Rs. 408 per kg, there is a gain of 20%?

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

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?