Question 1 :
Classify the following expression as a monomial,a binomial or a trinomial : $4m$
Question 3 :
Add :
$x^{2}$ - $y^{2}$ - 1, $y^{2}$ - 1 - $x^{2}$, 1 - $x^{2}$ - $y^{2}$
Question 4 :
Identify the term which contain x and give its coefficient in $12xy^2+25$.
Question 6 :
Classify the following expression as a monomial,a binomial or a trinomial : $4mn+7$
Question 8 :
A light year is the distance that light can travel in one year. 1 light year = 9,460,000,000,000 km. Express one light year in scientific notation.
Question 13 :
A circular flower garden has an area of 314 m$^2$. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden?
Question 14 :
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In the given figure, Find the area of the parallelogram in the above figure.
Question 15 :
The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find the area.
Question 16 :
Find the base of parallelogram when its height and area are 15cm and $154.5 cm^{2}$ respectively.
Question 17 :
What would you need to find, area or perimeter to answer the following : How much plastic sheet do you need to cover a rectangular swimming pool ?
Question 18 :
From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet.
Question 20 :
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In the given figure, A rectangular park is 45 m long and 30 m wide.A path 2.5 m wide is constructed outside the park. Find the area of the path.