# CBSE Half Yearly Sample Paper 2020-21 Mathematics for class 9

### CBSE Half Yearly Sample Paper 2020-21 Mathematics for class 9

Time: 3:00 hour Subject- Mathematics M.M.-80

General Instructions:

• This question paper contains 37 questions.
• All questions are compulsory.
• Question 1 to 16 are very short answer type questions. Each question carries 1 mark.
• Question 17 to 23 are short answer type questions. Each question carries 2 mark.
• Question 24 to 33 are long answer type questions. Each question carries 3 mark.
• Question  34 to 37 are very long answer type questions. Each question carries 5 mark.

(1 mark questions)

1- Write the co-efficient of x3 in x+3x2-5x3+x4.

2- Write the constant term in ᴨ/2x2+7x-2/5ᴨ.

3- Determine the degree of y2(y-y3).

4- Give an example of a monomial of degree 5.

5- Rewrite x-2x2+8+5x3 in standard form.

6- If a+b+c=0,then find a3+b3+c3

7- How many linear equations can be satisfied by x=2 and y=3?

8- If which quadrant does the point(-7,-4)lie?

9- In ΔABC,it is given that base=12cm and height=5cm,find its area?

10- Each side of an equilateral triangle is 8cm.find its area?

11- If the point(3,4)lies on the graph of 3y=ax+7,then find the value of a?

12- Find the class mark of the class 100-120.

13- Find the mode of the data 15,17,15,19,14,18,15,14,16,15,14,20,19,14,15

14- What is the probability of an impossible event?

15- Let E be an event ,then find P(not E)

16- Find the supplement of 1340.

(2 marks questions)

17- Find the value of the polynomial 5x-4x2+3 at x=0

18- Using suitable identity to find (x+4)(x+10)

19- The cost of a notebook is twice the cost of a pen.write a linear equation in two variables to represent this statement.

20- The blood groups of 30 students of class VIII are recorded follows: A,B,O,O,AB,O,A,O,B,A,O,B,A,O,O,A,AB,O,A,A,O,O,AB,B,A,0,B,A,B,O

Represent this data in the form of frequency distribution table.

21- In a cricket match, a batswoman hits a boundary 6 times out of 30 balls. Find the probability that she did not hit a boundary.

22- Find the zero of the polynomial in P(x)=x+5

23- Find the value of K, if x=2,y=1 is a solution of the equation 2x+3y=k.

(3 marks questions)

24- Find p(0), P(1) and P(2) for P(y) =y2-y+1

25- Find the remainder when x3-ax2+6x-a, is divided by x-a.

26- Evaluate the product without multiplying directly of (103×107).

27- Express: 2x+3y=9.3 5⎺ the linear equation in the form of ax+by+c=0and indicate the values and a, b and c.

28- Give the equations of two lines passing through (2,14).how many more such lines are there and why?

29- In the figure ,if AB‖CD,EF⏊ CD and ang GED=1260, Find / AGE, / GEF and / FGE.

30- Find the value of K, if x-1 is a factor of p(x)= x2+x+k

31- Factorise: 12x2-7x+1

32- Without actually calculating the cubes, find the value of (-12)3+(7)3+(5)3

33- Give the geometric representations of y=3 as an equation.

i) in one variable

ii) in two variable

(5 marks Questions)

34- Factorize: x3-3x2-9x-5

35- In which quadrant or on which axis do each of points (-2,-4),(3,-1),(-1,0), (1,2) and (-3,-5)lie? Verify your answer by locating them on the Cartesian plane.

36- Sides of a triangle are in the ratio of 12:17:25and its perimeter is 540cm.Find its area.

37- The following numbers of goals were scored by a team in a series of 10 matches: 2,3,4,5,0,1,3,3,4,3. Find the mean, median and mode of these scores.

###### CBSE Sample Paper 2020-21 Information Technology (402) for class 9 #### By cbsepython

A complete solution for the students of class 9 to 12 having subject Information Technology (402), Computer Science (083). Explore our website for all the useful content as Topic wise notes, Solved QNA, MCQs, Projects and Quiz related to the latest syllabus.