September Exam (2023-24) Class 8th mathematics) Time 3 Hours
Part A M.C. Q 16X1=16
i) which of following number does not have multiplicative inverse?
a) 0 b)-1 c) 1 d) 4
ii) which of following equation is in one variable? a) 2x+3y=7 b) a + b + c = 4 c) 2y+5=9 d) x+y=1
iii) Solve 2x+4=8 a) x=1 b)x=2 c)x=3 d) x=4
iv) If 6x = 24 are two opposite sides of 11gm... what is value of x? (9)4 6) 6 (724 d)12.
v) What is sum of interior angles of pentagon a) 90° b) 180° c) 360° d) 540°
vi) Name the figure
a) square b) Rectangle c) Trapezium d) Parallelogram
vii) The class size of 40-60 is :- a) 10 b)20 c) 40 d) 60
viii) what will be number of zeroes in Square of 6000? a)3 b)6 c) 4 d) 8
ix) what will be ones digit in square of 57? a)9 b)7 c) 1 d) 3
x) 1 + 3 + 5 + 7 + 9 + 11 +13+----- a) (6)² b) (7)² c) (8)² d) (9)²
xi) Volume of a cube of side 5 cm is: a) 15 cm³ b) 125 cm³ c) 25 cm³ d) 50cm³
xii) which of following is not a perfect cube? (a) 16 6) 27 c) 64 d)125
xiii) what is the cube root of 512 ? a) 2 b) 4 c) d) 8
xiv) am x an = a) am-n b) amn c) am+n d) am/n
xv) (3²+4²)0 = a) 2 b) 25 c)7 d) 1
xvi) 3.03 X 106 is equal to :. a) 303000 6) 30300000 () 303.0000 d) 30000
2 fill in the blanks: 7x1=7
i) Reciprocal of -5/8 is _____
ii)value of x in 4x-3=3x+ 2 is____
iii)Sum of adjacent angles in a parallelogram is___
iv)Sum of all central angles in a pie chart is__
v) Square of an odd number is always____
vi) cube of -4 is___
vii) Value of (53)4 is ____
3. True/False 7x1 = 7
i) Additive inverse of -5 is 5
ii) 4x=12 is an equation in one variable
ii) Rolling a die is a random experiment.
iv) Number of digits. is 3. in square root of 676.
v) cube root of 1331 is 11
vi) The diagonals. of rectangle are equal.
vii) am / an = am+n
Part B 4x 2 =8
4) Solve 3/4 +5/6 -7/8
5) Find square root of 64 by method of repeated subtraction
6) cube of a Find the number is 125.
7) Find the value of p for which 5p ➗ 5p-3 =55
Part C 6x4=24
8) Solve and verify the result 3x-1= 15-x
9) After 12 years, I shall be 3 times as old as was 4 years ago. Find my present age..
OR A number is such that it is as much greater than 84 as it is less than 108. Find it.
10) Solve the Equation 4(x+2) - 5 = 2(x-1) +7
11) Find x and y in parallelogram
OR Two adjacent angles of a IIgm are in ratio 4:5. Find the measure of all the angles.
(12) In IIgm BEST ∠B = 1050
Find the measure of all the angles.
(13) In given figure ABCD is a rectangle.
Find x and y.
OR Draw Shapes i) Rhombus ii) Trapezium iii) Rectangle iv) Parallelogram.
Part D
14) Construct a frequency table with class intervals. 0-5,5-10 and on.
10, 7, 5, 12, 0, 15, 25, 20, 22, 27, 17, 11, 8, 9, 6, 17, 23, 19, 31, 21, 29, 37, 31, 3.5, 45, 40, 49, 42, 50, 16
OR A bag contain 5 blue marbles, & 8 green marbles and 7 yellow marbles One marble is selected at random, Find probability of getting a) blue marble b) not blue c) Green.
15) Drawer histogram of following,
OR Observe histogram and answer i) what is class size?
ii) which group has maximur girls?
iii) which group has least girls?
iv) How many girls in 145-150
v) How many girls have a height of 145cm and more?
vi) upper limit of 150-155.
16) Draw a pie chart showing following information.
|
Marks |
0-10 |
10-20 |
20-30 |
30-40 |
40-50 |
50-60 |
|
No. of students |
6 |
9 |
12 |
8 |
10 |
5 |
OR
A die is thrown, Find probability of getting. i) a prime number ii) number, 2 or 4. iii) number greater than 4 iv) an odd number
PSEB 8TH SEPTEMBER MATHEMATICS SAPMLE PAPER
