Quantitative Aptitude - Arithmetic Ability Questions

On a ground , there is a vertical tower with a flagpole on its top . At a point 9 m away from the foot of the tower , the angles of elevation of the top and bottom of the flagpole are 60° and 30° respectively . The height of the flagpole is

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

If X+Y=3,XY=2, find the value of X3-Y3

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?