Quantitative Aptitude - Arithmetic Ability Questions

Three triangles are marked out of a bigger triangle at the three vertices such that each side of each of the smaller triangles is one-fourth as long as each corresponding side of the bigger triangle. The ratio of the area of the three small triangles taken together to that of the rest of the bigger triangle is

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

The HCF of 24, 60 and 90 is:

If 2(5x - ­4) -­ 2 < 2x ­- 1 < 4x - ­2; then the value of x is

In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

Convert decimal number 101 to binary.