KENDRIYA VIDYALAYA BIJPAPUR

MODEL SUMMATIVE ASSESSMENT-I (2015-16)

CLASS :VIII

MATHEMATICS

Time: 2hrs 30minsMax marks:60

General Instructions:

  1. All questions are compulsory.
  2. The question paper consists of 27 questions divided into 4 sections- A, B, C & D.

Section A is a MCQ type comprising of 9 questions of 1 mark each, Section B comprises of 8 questions of 2 marks each, section C comprises of 5 questions of 3 marks each and section D comprises of 5 questions of 4 marks each.

  1. Use of calculator is not permitted.

SECTION- A

Question numbers 1 to 9 is of one mark each.

1. Multiplicative inverse of -13 is……………….

a)b)-c)13 d)-13

2. Solve x-2=7

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

3. Find the number of sides of a regular polygon whose each exterior angle has a measure of 45.

a) 10 b) 11 c)8 d)7

4. A Square is a parallelogram. Justify.

a)A square is 4-sided

b)Square has its opposite sides parallelogram. With all 4 sides equal.

c)Square is a parallelogram with all the 4 sides equal.

d)Square is a parallelogram with each angle a right angle.

5.Can we construct a quadrilateral if the lengths of its two diagonals and three sides are known?

a)Yes b)No c)Not possible d)Now of these.

6.When a die is thrown,list the outcomes of an event of getting a prime number.

a)4 b)3 c)5 d)6.

7.How many natural numbers lie between and .

a)16 b)17 c)19 d)20

8.What is the last digit of .

a)6 b)7 c)5 d)9

9.Find the ratio of 5 m to 10km.

a)1:200 b)1:2000 c)1:10 d)1:1000

SECTION-B

Question numbers 10 to 17 carry 2 marks each.

10.Find any two rational numbers between - and .

11.Sum of two numbers is 95. If one exceeds the other by 15, find the numbers.

12.In a parallelogram RING,if m<R=70 ͦ, find all the other angles.

13.Construct a square MORE with RE=5.1 cm

14.Find the square of 105 containing 5 in unit’s place.

15.72% of 25 students are good in Mathematics.How many are not good in Mathematics.

16.Find cube root of 27000.

17.Study the fallowing distribution table and answer the following question.

Class Interval / 100-125 / 125-150 / 150-175 / 175-200 / 200-225
Frequency / 45 / 25 / 55 / 125 / 55

PTO

a.What is size of class intervals ?

b.Which class has the lowest frequency ?

SECTION-C

Question numbers 18 to 22 carry 3 marks each.

18.The present age of Sahils mother is three times the present age of Sahil.After 5 years their

Ages will add to 66 years. Find their present ages.

19.Compare the properties of sides, angles and diagonals of Parallelogram and Square.

20.Construct the rhombus BEND.

BN=5.6 cm

DE=6.4 cm

21.Find a Pythagorean triplet in which one member is 12.

22.Is 1188 a perfect cube ? If not, by which smallest natural number should 1188 be devided

so that the quotient is a perfect cube ?

SECTION –D

Question numbers 23 to 27 carry 4 marks each.

23.Sum of the digits of a two-digit number is 9. When we interchanged digits,it is found that the

resulting new number is greater than the originating number by 27.What is the two digit

number?

24.Construct quadrilateral PLAN

PL=4cm, LA=6.5cm, ∟P=90ͦ,∟A=110 ͦ and∟N=85 ͦ.

25.The number of students in a hostel,speaking different languages is given below.Display the

data in pie chart.

Language / Hindi / English / Marathi / Tamil / Bengali / Total
No. of Students / 40 / 12 / 9 / 7 / 4 / 72

26. 2025 plants are to be planted in a garden in such a way that each row contains as many plants as

the number of rows. Find the number of rows and the number of plants in each row ?

27.Calculate the amount and compound interest on Rs.18000 for year at 10% per

annumcompounded annually.

END .