Question

ООО
F:M-100
A] 40%
c] 40°
c] 180
d] 13
MID TERM EXAM 2020
Sub- Math
CLASS-VIII
Choose the correct option
15
1) Which is bigger rational number ,
A] -5/7 b] 6/7 c] 77-9
d] -4/5
2) simplified form of 55 x 85
is
b] 4010
d] 4025 x
3) The value of 4 x 52 + 5 x 42 is
A] 100
b] 80
d] 200
4) If m = 3 than 2m² is
A] 36
b] 12 c] 18
5) If x=1 , y=2 and z=3 than ( x + y +z) is
A] 9
b] 36 v
c] 48 d] 24
Short types questions
25
6) Multiply:
i. -6/11 by 44/15 ii. 7/3 by -1/28
7) Simplify:
i. [(-3/4)? - (1/2)?] x 43
ii. (-3/5) | (-3/5)3 / (-2/5)”
8) Write the following numbersin standard form:
i. 0.000000291 ii. 1/ 10000000
9) Find the value of ( 3a + 4)2
10) Divide 12x² + 7xy - 12y2 by 3x + 4 y
Long types questions
11) Multiply (a? + ab + b2) x (a - b)
12) If 23% of a is 92 . What is the value of a.
13) Use the sutaible identity and find the product of ( 2x + 5) (2x + 5)
14) Calculate the volume of cube whose side is 21cm.
15) A woman bought a bag for Rs 500 and sold it for Rs 400. Calculate
the profit or loss percentage .
16) If the population of a big town increases by 2% every year and at
present its population is 1,85,400. Then what will be the increase.
17) Sachin bought a T.V. for rs12,000 and gained 15% by selling it to
Shubhash. Subhas sold the T.V. to Arvind at 10% profit . Find the cost
price of the T.V. as paid by Arvind.
18) Find the square root by division method : i. 15625 ii. 12345
19) Divide
9x? + 3x3 - 5x + 7 by 3x - 1
20) The marked price of a watch is rs540 . It is sold at 7% discount.
How much will a buyer pay a price of the watch
.60​

Answer 1

Answer:

question no 20

Step-by-step explanation:

7=100X÷540

7×54=10X

X=37.8

so price =502.2

Answer 2

Answer:

q20

Step-by-step explanation:

7=100X÷540

7×54=10X

X=37.8

so price =502.2