if  $${5x-{5\over x}+6=0}$$, then $$x^2+{1\over x^2}$$ is

if $$a+{1\over a}=5$$, then what is the value of $$a^3+{1\over a^3}$$

Directions: Degree- wise breakup of employees working in various department of an organisation and the ratio to men to women.

Respective ratio of men to women in each department

The number of women working in the Production department of the Organisation is what percent of the total number of employees working in all the department together?

The product of the zeroes of the quadratic polynomial x²+7x+ 10 is

The volume of a cuboid is 2 times the volume of a cube. If the dimensions of the side are 9 cm by 8 cm and 6 cm, then the total surface area of the cube is

The value of (x + y + z)³ – (y + z – x)³ – (z + x – y)³ – (x + y – z)³ is:

The area of two equilateral triangles are in the ratio 25 : 36. Their altitudes will be in the ratio : 

In the number 15!/100, which digit will be in the unit's place?