Quantitative Aptitude - Arithmetic Ability Questions

If x = at2 and y = 2at then

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

If the equation 4x + 3y + 5 = 0 and 6x - ky - 7 = 0 have no solution, then the value of k is

The points A(x,2), B(­2,1) and C(6,­3) are collinear. Find x?

Three clocks are designed to alarm in every hour, two hours and three hours respectively. If they all alrmed together three hours before, then after how many hours will they next alarm together?

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

Which of the following conditions is TRUE for the two line segments AB and CD to be congruent?

Square of (7 ­- 4x) is