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CBSE Class 8 Maths Worksheet

1.

Find the number of edges in the given figure.

 

A) 10 B) 6 C) 12 D) 8
2.
Use the identity (h + a) (h + b) = h2 + (a + b) h + ab to find product: (2a2 + 9) (2a2 + 5)
3.

if 3x7 is exactly divisible by 3, then lease value of x is

A)

0

 B)

1

 C)

2

 D)

4
4.
Find the product: (h + 7y) (7h – y)
5.
There are 1000 children in a school. For a sports event they have to stand in such a manner that the number of rows is equal to number of columns. How many children would be left out in this arrangement.
6.
Complete the following: Area of Rhombus=
A) 1/2 X product of diagonals B) 1/2*sum of parallel sides*height C) Base X Height D) 1/2 base X height
7.

Multiply the binomials: (h – y) and (3h + 5y)

8.

Using a2 – b2 = (a + b) (a – b), find (1.02)2 – (0.98)2

9.

In the given figure ZEAL is a parallelogram. If Z = 90°. What the new shape obtained?

A) Trapezium B) Rectangle C) Rhombus D) None
10.

If 31z5 is a multiple of 3 then what cannot be the value of z?

A) 3 B) 6 C) 0 D) 2
11.
Fill in the blanks: When you add _____ to a whole number , the sum is again that whole number
12.
Solve: 3x + 5/2x + 7 = 5
13.
A man got a 10% increase in his salary. If his new salary is Rs 20000, find his original salary.
14.
In frequency distribution with classes 0-10,10-20 etc., size of class interval is 10. The lower limit of fourth class is ________.
A) 30 B) 40 C) 50 D) 60
15.
Find a Pythagorean triplet in which one member is 6.
16.

Which of the following is neither a positive nor a negative rational number?

A)

Such rational number does not exist

 B)

0

 C)

1

 D)

None of the above
17.

Find the product:

18.
Find the product: 2h (3h + 5hy)
19.
State True/False: Rational numbers are not closed under division, if zero is excluded, then the collection of all other rational numbers is closed under division.
A) true B) false
20.
Complete the following: The discount is always on the _______.

CBSE Class 8 Maths Worksheet

Answers

1.
Option C

2.
4a 4 + 28a 2 + 45
3.
Option B

4.
7h 2 + 48hy – 7y 2
5.
39
6.
Option A

7.

8.

0.08

9.
Option B
10.
Option D

11.
Zero
12.
(-30/7)
13.
Rs.18181.81
14.
Option A

15.
6, 8, 10
16.
Option B

17.

18.
6h2+10h2y
19.
Option A

20.
Marked price
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