Represent the following numbers as integers with appropriate sings. (a) An aeroplane is flying ar a height two thousand meter above the ground.

Represent the following numbers as integers with appropriate sings. ( c) A deposit of rupees two hundred.

Represent the following numbers as integers with appropriate sing. (b) A submarine is moving at a depth, eight hundred meters below the sea level.

Represent the following numbers as integers with appropriate sings. (d) Withdrawal of rupees seven hundred.

Restate the following statements with appropriate conditions, so that they become true statements. All number can be represented as the product of prime factors.

Restate the following statements with appropriate conditions, so that they become true statements. Two time a real number is always even.

Restate the following statements with appropriate conditioins, so that they become true statements. If you divide a number by two, you will always get half of that number.

The angle of elevation of an aeroplane from a point on the ground is 60^(@) . After a flight of 30 seconds the angle of elevation becomes 30^(@) . If the aeroplane is flying at a constant height of 3000 sqrt(3) m. Find the speed of the aeroplane.

Represent the following situations in the form of quadratic equations : The product of two consecutive positive integers is 306. We need to find the Integers.

Number of persons in various age groups in a town is given in the following table. Draw a bar Draw a bar graph to represent the above information and answer the following questins. (take 1 unit lenght = 20 thousands) (a) Which two age groups have same population?

Number of persons in various age groups in a town is given in the following table. Draw a bar Draw a bar graph to represent the above information and answer the following questins. (take 1 unit lenght = 20 thousands) (b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?