Class 8 Maths Previous year question paper, BP WITH ANSWER KEY SEE 60 marks set 2

 BLUEPRINT


Subject: Mathematics

Blue Print (Session Ending Examination)  

Class: VIII

Time: 2 ½ hours


Max. Marks: 60


 

SL.NO

NAME OF THE CHAPTER

Understanding Basic Concepts

Ability to compute

Problem Solving Ability

Competency Based Question

Total

MCQ-1 Mark

SA-1 2Marks

LA-1 3Marks

LA2 4Marks

CCT

1

Rational numbers

1(1)

1(2)

1(3)

-

-

3(6)

2

Linear Equations in one variable

1(1)

1*(2)

1(3)

-

-

3(6)

3

Square and Square roots

1(1)

1(2)

1(3)

-

-

3(6)

4

Algebraic expressions and Identities

2(1)

1(2)

-

1*(4)

-

4(8)

5

Mensuration

1(1)

-

1*(3)

-

1(5)

3(9)

6

Exponents & Powers 

2(1)

-

-

1(4)

-

3(6)

7

Direct And Inverse Proportion

2(1)

-

-

-

1(5)

3(7)

8

Factorisation

1(1)

1(2)

-

-

1(3)

3(6)

9

Introduction To Graphs

1(1)

-

-

-

1(5)

2(6)

 

Total

12(12)

5(10)

4(12)

2(8)

4(18)

27(60)


Note – 

* Internal Choice Questions 

Numerals inside the bracket indicate marks and outside the bracket indicate the number of    questions 

MARKING SCHEME 


SECTION

MARKS

NO. OF QUESTIONS

TOTAL

MCQ 

1

12

12

SA – I

2

5

10

SA – II

3

4

12

LA

4

2

8

CCT

1

18

18

GRAND TOTAL

60




PREVIOUS YEAR QUESTION PAPER

Subject: Mathematics

Session Ending Examination

Class: VIII

Time: 2 ½ hours


Max. Marks: 60

Q.No

SET-1                                                Questions

Marks


GENERAL INSTRUCTIONS:

  • All the Questions are compulsory

  • The Question paper consists of 27 questions divided in to five sections.

  • Section A contains 12 questions of each1 marks. (MCQ)

  • Section B contains 5 questions of each 2 marks. (SA)

  • Section C contains 4 questions of each 3 marks. (LA-I)

  • Section D contains 2 questions each carries 4 marks.(LA-II)

  • Section E contains 4 questions (Competency based questions)



SECTION:A (MCQs)(12 x 1 = 12 Marks)


Q1

A rational number can be represented in the form of:

         a) pq           b) p x q                 c) p + q                  d) p-q

1

Q2

Observe the following temperature time graph and answer the related question:
MCQ Questions for Class 8 Maths Chapter 15 Introduction to graphs with Answers 4
What is the difference of temperatures at 7 hours and 21 hours ?
a) 0°F         b) 1°F          c) 2°F           d) 3°F.

1

Q3

Which of the following is like term as 4a2b?

a) 9a         b) 9b           c) 9a2b         d) 9a2

1

Q4

The value of y in the y+3=10 equation is ____.

          a) 3           b) 7                      c) 8                        d) 13

1

Q5

The  value of 1x0 is

a) 0 b) 1 c) 1x d-1x

1

Q6

The numerical coefficient of   x2  in the expression 4x3-5x2-2x+3 is __.

a) 4                     b) -5              c) -2               d) 3

1

Q7

Express the number 3.02 x 10-6 in usual form.

(a) 0.00000302   (b) 0.30200000   (c) 0.0000000302         (d) 302000000

1

Q8

If Anandi types 200 words in half an hour, she will be able to type ______________ words in 12 minutes. (Assuming the speed of typing to be uniform.) 

a) 40                   b) 60             c) 80                d) 100

1

Q9

_______________ is the common factor of  2y and 22xy

a) 6y            b) 2y       c) 2xy        d) 2x

1

Q10

Square root of 625 is ____

a) 25                  b) 5                  c) 65              d) 15

1

Q11

The scale of a map is given as 1: 300. Two cities are 4 km apart on the map. The actual distance between them is:
a) 1000 km    b) 1100 km     c) 1200 km      d) 1300 km

1

Q12

Total Surface area of cuboid = 

a) lbh             b) 2(lb+bh+hl)          c) 2h(i+b)        d) l+b+h

1


SECTION:B (Short Answers) (5 x 2 = 10 Marks)


Q13

Find the square root of 1764 by Prime Factorization method.

2

Q14

Solve the following equation 5t-3=3t-5

Or

Solve: 8x+4 = 3(x-1)+7

2

Q15

Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively: (10m,5n)

2

Q16

Factorize   p2-10p+25

2

Q17

Verify that –(-x)=x for x= 1115

2


SECTION:C (Long Answers-I) ( 4 x 3 = 12 Marks )


Q18

Solve: x2- 15 = x3+ 14

3

Q19

Find the squares of the following number 32 using identity.

3

Q20

Find    -23 x 35 +  52 - 35 x  16

3

Q21

A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the tank.

Or

Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal.

3


SECTION:D (Long Answer-II) ( 2 x 4 = 8 Marks )


Q22

Simplify: (x2-5)(x+5)+25

Or

Subtract 3l(l-4m+5n) from 4l(10n-3m+2l)

4

Q23

Simplify:

4


SECTION:E (Competency Based study) (18 x 1 = 18 Marks)


Q24

The following graph shows the temperature of a patient in a hospital, recorded every hour:



a)

What was the patient’s temperature at 1 p.m.? 

1

b)

When was the patient’s temperature 38.5° C? 

1

c)

The patient’s temperature was the same two times during the period given. What were these two times? 

1

d)

What was the temperature at 1.30 p.m?

1

e)

During which periods did the patients’ temperature showed an upward trend?

1

Q25

Emerald goes to her school by bicycle at average speed of 12 km/hr in 20 minutes and she goes to her school by scooter at an average speed of 40 km/hr. Emerald wants to reach her school in 15 minutes.


a)

What should be the average speed of Emerald by bicycle to reach the school in 15 minutes?

a) 12 km/hr              b) 14 km/hr          c) 16 km/hr             d) 20 km/hr

1

b)

What is the distance of school from Emerald’s house?

a) 9 km                    b) 6 km               c) 4 km                     d) 10 km

1

c)

If Emerald goes by scooter at an average speed of 40 km/hr, then how long will it take to reach the school?

a)   4 min                  b) 6 min              c) 10 min               d) 8 min

1

d)

The time taken for a fixed journey and the speed of the vehicle is in ___ Proportion.

a) Inverse                  b) Direct

1

e)

If y1,y2 are the values of Y corresponding to the values x1,x2 of X respectively. Then  in inverse proportion is _____

1

Q26

A box contains a cylinder and a cube. The height of a cylinder is 7cm and the diameter of the cylinder is 7 cm. It has been observed that side of the cubical box is equal to the radius of the cylinder.


a)

Side of the cube is ________

a) 7 cm                         b) 14 cm               c) 3.5cm                     d) 28cm

1

b)

Radius of the cylinder is ________

a) 7                          b) 14                  c) 3.5                     d) 28

1

c)

What is the Curved surface area of the cylinder?

a) 154 cm2               b) 432 cm2        c) 440 cm2                    d) 512 cm2

1

d)

What is the Lateral surface area of the cube?

a) 125 cm2               b) 256 cm2        c) 196 cm2                    d) 625 cm2

1

e)

Which has the larger Lateral surface area? ___________

1

Q27

Sunita was not keeping good health. Every other day, she used to fall sick because of some unknown reasons. She went to her family doctor and got herself examined. After her test, the doctor advised her to start taking supplements and exercises. She started jogging around a rectangular park daily.

On one day after jogging she noted that she covered total distance given by the expression

 44(x4 – 5x3 – 24x2) km. she noted the time also. It was given by the expression 11x (x – 8) hours.


a)

What is the degree of the expression 44(x4 – 5x3 – 24x2)

  1. 7                 b)   3            c)  4        d)  12

1

b)

Find the factors of the expression     44(x4 – 5x3 – 24x2)


1

c)

How much distance she covered in one hour?


1



ANSWER KEY
PREVIOUS YEAR QUESTION PAPERS

Subject: Mathematics

Session Ending Examination

Class: VIII

Time: 2 ½ hours


Max. Marks: 80

Q.No

SET-1                                                                                 Questions

Marks


GENERAL INSTRUCTIONS:

  • All the Questions are compulsory

  • The Question paper consists of 44 questions divided in to five sections.

  • Section A contains 16 questions of each1 marks. (MCQ)

  • Section B contains 10 questions of each 1 mark. (Case based study)

  • Section C contains 5 questions of each 2 marks. (SA1)

  • Section D contains 8 questions each carries 3 marks.(SA2)

  • Section E contains 5 questions each carries 4 marks.(LA)




SECTION:A (MCQs)(16 x 1 = 16 Marks)


Q1

A rational number can be represented in the form of:

         a) p/q           b) p x q                 c) p + q                  d) p-q

1

Q2

Observe the following temperature time graph and answer the related question:
MCQ Questions for Class 8 Maths Chapter 15 Introduction to graphs with Answers 4
What is the difference of temperatures at 7 hours and 21 hours ?
a) 0°F         b) 1°F          c) 2°F           d) 3°F.

1

Q3

    -59 X ____ = -59

        a) 1               b) 0                     c) -59                         d) 59

1

Q4

The value of x in the 6 = z+2 equation is ____.

          a) 4             b) 6                      c) 8                        d) 3

1

Q5

The value of x in the equation 6x=12 is ___

          a) 72           b) 6                       c) 1                       d) 2

1

Q6

Express the following numbers in usual form: 3.02 10-6

Ans:

1

Q7

If Apoorva types 200 words in half an hour, she will be able to type ______________ words in 12 minutes. (Assuming the speed of typing to be uniform.) 

1

Q8

The  value of 1x0 is

a) 0 b) 1 c) 1x d-1x

1

Q9

Which of the following is like term as 4a2b?

a) 9a         b) 9b           c) 9a2b         d) 9a2

1

Q10

The side of a cube whose total surface area  is  600 cm2  is

a) 10cm b) 100cm c)6cm d)36cm


1

Q11

Add:  ab – bc, bc – ca, ca – ab

1

Q12

Factorisation of  a2 – 2ab + b2 – c2 gives

a) (a – b – c) (a – b – c)             b) (a – b – c) (a + b + c)

c) (a – b – c) (a – b + c)             d) (a + b + c) (a + b +c)

1

Q13

Cube root of 512 is ______

       a) 8                 b) 12               c) 9                        d) 10

1

Q14

Convert the ratio 2 : 3  to percentages 

       a) 66.6%          b) 19 %             c) 30%                  d) 44%

1

Q15

Formula to find the Total surface area of cylinder is ____.

1

Q16

72% of 25 students are good in Maths. How many are not good in Maths?

       a) 6               b) 7                   c) 8                       d) 9

1


SECTION:B (Case Base study) (10 x 1 = 10 Marks)


A

 

Abhishek Banarjee completed his graduation from Acharya  Jagadish Chandra Bose College under Calcutta University.  He wanted to prepare for CIVIL services at New Delhi. So for taking admission in Delhi University, he went to Delhi by Air. During his journey from Kolkata to Delhi, the height covered by the aero plane is shown in the given graph.


Q17


What the maximum height the aeroplane has covered?

a) 450 m. (b) 100 m.(c) 0 m. (d) 1000 m.

Ans: Option (d) The aeroplane rose up to 1000 metres.

1

Q18

What was the average speed of the aeroplane while rising?

  1. 100 m/min. (b) 200 m/min. (c) 500 m/min. (d) 1000 m/min.

Ans1; Option (a) The speed of the aeroplane while rising was 100 m per min.

1

Q19

. How long was the plane in level flight?

40 min. (b) 30 min.(c) 70 min. (d) 100 min.

Ans:Option (c) 

The time taken by the aeroplane to be in level flight is 40 + 30 = 70 min

1

Q20

The flight took off at 9.30 a.m. from Kolkata Airport.  When did it reach at New Delhi Airport?

. Ans: Full Credit: Time of reaching at Delhi is 11.40 a.m

1

Q21

What is the scales used in x-axis and y-axis respectively?

Ans: Full Credit: In x-axis, 1unit=10 min and y-axis, 1unit=100m.

1

B

Emerald goes to her school by bicycle at average speed of 12 km/hr in 20 minutes and she goes to her school by scooter at an average speed of 40 km/hr. Emerald wants to reach her school in 15 minutes.


Q22

What should be the average speed of Emerald by bicycle to reach the school in 15 minutes?

a) 12 km/hr  b) 14 km/hr  c) 16 km/hr d) 20 km/hr

Ans: 16 km/hr

1

Q23

What is the distance of school from Emerald’s house?

a) 9 km b) 6 km c) 4 km d) 10 km

Ans: 4Km

1

Q24

If Emerald goes by scooter at an average speed of 40 km/hr, then how long will it take to reach the school?

a)   4 min b) 6 min  c) 10 min d) 8 min

Ans: 6 min

1

Q25

The time taken for a fixed journey and the speed of the vehicle is in ___ Proportion.

a) Inverse   b) Direct

Ans: Inverse

1

Q26

If y1,y2 are the values of Y corresponding to the values x1,x2 of X respectively. Then  in inverse proportion is _____

Ans: x1y1=x2y2

1


SECTION:C (Short Answers-1) (5 x 2 = 10 Marks)


Q27

The price of a TV is ₹ 13,000. The sales tax charged on it is at the rate of 12%. Find the amount that Vinod will have to pay if he buys it.

2

Q28

The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area

Or

Find the height of a cuboid whose volume is 275 cm3 and base area is 25 cm2

2

Q29

Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively: (10m,5n)

2

Q30

Multiply the binomials: (2x+5)(4x-3)

2

Q31

Find the cube root of 15625 ( by prime factorization method )

2


SECTION:D (Short Answers-2) ( 8 x 3 = 24 Marks )


Q32

Solve: 5x+9=5+3x

3

Q33

Factorise the following expression: p2 +6p – 16

3

Q34

Find the angle measures x in the given figure:




3

Q35

Multiply the binomials: (2x+5)(4x-3)

3

Q36

Find the squares of the following number 32 using identity.

3

Q37

A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the tank.

Ans:

3

Q38


Fill in the blanks:-

Sl. N

Description of number

Usual form

Standard form

a)

The distance from Earth to the Sun

-----------------------

m

b)

The size of a plant cell

0.00001275 m

-----------------------

c) 

Size of a bacteria is 

0.0000005 m

___________

Answer:

The distance from Earth to the Sun =  1,49 60 00 00 000 m.

The size of a plant cell 1.275 x 10-5 m

Size of a bacteria is  5×10−7 m


3

Q39

A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?

Ans:

3


SECTION:E (Long Answer) ( 5 x 4 = 20 Marks )


Q40

A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length 1 m.

4

Q41

Solve  (4x2 – 100) ÷ 6(x + 5)

(OR)

Factorise   p4 – 81

4

Q42

Simplify:

Ans:

4

Q43


Colours

Number of People

Blue

18

Green

9

Red

6

Yellow

3

Total

36

Draw a pie chart showing the following information. The table shows the colours 

preferred by a group of people.


4

Q44

The following line graph shows the yearly sales figures for a manufacturing company.

(a) What were the sales in (i) 2002 (ii) 2006? 

(b) What were the sales in (i) 2003 (ii) 2005? 

(c) Compute the difference between the sales in 2002 and 2006. 

(d)In which year was there the greatest difference between the sales as compared to its previous year?


 Answer : (a) The sales in: (i) 2002 was ₹ 4 crores and (ii) 2006 was ₹ 8 crores.

 (b) The sales in: (i) 2003 was ₹ 7 crores and (ii) 2005 was ₹10 crores. 

(c) The difference of sales in 2002 and 2006 = ₹8 crores – ₹4 crores = ₹ 4 crores (d)In the year 2005, there was the greatest difference between the sales as compared to its previous year, which is (₹10 crores – ₹ 6 crores) = ₹4 crores.

4


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