Quantitative Aptitude - Arithmetic Ability Questions

If x4+1x4=119,then the value of x-1x is

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

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.

cosA/(1 -­ sin A) is equal to

If 3.5x = 0.07y, then find the result of [y-x / y+x]

The diagonal of a square is equal to the side of an equilateral triangle. If the area of the square is 15√3 sq cm, what is the area of the equilateral triangle?

A cone of radius 7 cm and height 12 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 3.5 cm. What will be the height of water in this vessel?

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is