If x – y + z = 15, xyz = -216 and xz – xy – yz = 18, then the value of $$ {x^3}-{y^3}+{z^3}=$$

Directions: Study the following table carefully to answer the questions that follow .
Number of soldiers ( in thousands ) joining five different forces during six different.

In which force the number of the soldiers joining continuously increased from the year 2004 to 2009 ? 

Three Alarm make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

If the height of a perpendicular cylinder is 10 cm and its curved surface area is 440 square cm, what is its radius?

The following penalty diagram shows the 4 year exam results of the students of 10th standard. Study the diagram and answer the following questions.

Name the number of students who appeared in the 10th standard examination in the year 2002-

The sum of two digit number is 16. If the digit is interchanged the number is formed 18 less than the original number. Find the original number.

Direction: Study the following table carefully to answer these questions.

What is the ratio between the total number of students appeared in 2004 and 2005 together from' schools C and D respectively? 

Directions: The bar graph shows the results of an annual examination in a secondary school in a certain year. Answer the following four questions based on this chart.

The class in which the number of boys passed is nearest to the average number of girls passed per class, is