Read the following paragraph carefully and answer the question based on the information provided in it.

Population explosion needs controlled measures to manage earth's resources. We must find ways to utilize the natural resources in an efficient manner to satisfy the ever-growing needs of the people. Solar energy may be used to replace the increasing demand for fuels like coal, wood and so on. Rainwater harvesting is a must to meet the water needs of the urban population. If we deplete the earth of its resources at such a fast pace, sooner or later we will have to search for another planet that can sustain life like earth.

Which of the following is true according to the paragraph?

P, W, Q, X, R, Y, Z and S sit randomly in a circle facing each other. Consider the following information and questions based on it.

1. Y sits exactly between Q and R

2. P does not sit next to either X or Z

3. Z is to the immediate right of Q

4. S sits third from left of X and the right of Y.

X sits between -

P, W, Q, X, R, Y, Z and S sit randomly in a circle facing each other. Consider the following information and questions based on it.

1. Y sits exactly between Q and R

2. P does not sit next to either X or Z

3. Z is to the immediate right of Q

4. S sits third from left of X and the right of Y.

If they all were facing outside the circle, W would be the left of -

P, W, Q, X, R, Y, Z and S sit randomly in a circle facing each other. Consider the following information and questions based on it.

1. Y sits exactly between Q and R

2. P does not sit next to either X or Z

3. Z is to the immediate right of Q

4. S sits third from left of X and the right of Y.

Who sits to the left of S?

If the sum of digits is 9 and the difference between the digit in the ten's place and unit's place is 1, then the two-digit number is?

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

Read the statement and select a conclusion from the given alternatives.

Statement :

Company 'X' had asked its employees to declare income and assets but it has strongly opposed by the employees' his/her union and no employee is going to declare his/her income.

Conclusions :

I. The employees of the company 'X' do not seem to have any additional income besides their salary.

II. The employees' union want all the senior officer to declare their income first.

The bar graph shows the number of soldiers in the armies of different countries. Study the diagram and answer the following questions.

If country D spends $20000 per soldier annually, then how much does it spend (in $ millions) on all its soldiers annually?