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 the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

What is the value of tan150°?

If (36 - 16x) - (4x - 8) = 4, then the value of x is

The value of (1 - √2) + (√2 - √3) + (√3 - √4) + ..... + (√15 - √16) is

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?