8TH GRADE MATH WORKSHEET 2

About "8th grade math worksheet 2"  

8th grade math worksheet 2 :

Here we are going to see 10 practice questions of mixed topics. We have been preparing this set of questions in order to test how you understood the topics.

Practice questions of mixed topics in 8th grade math

Question 1 :

Find the smallest number by which 3087 should be multiplied to obtain a perfect cube. 

(A)  4              (B)  3               (C)  5 

Need solution

Question 2 :

11025 students are sitting in a lawn in such a way that there are many students in a row as there are rows in lawn. Find the number of rows in the lawn.

(A)   205              (B)   105           (C)   115

Need solution

Question 3 :

Evaluate (243) -2/5 

(A)   1/5             (B)   1/7           (C)   1/9

Need solution

Question 4 :

Evaluate (52 + 122)1/2

(A)  17          (B)   15         (C) 13

Need solution

Question 5 :

If a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c2

(A)  35        (B)  45         (C)  55

Need solution

Question 6 :

What is the degree of the polynomial 4 + 3x - 7 x3 + 5 x4

(A)  4         (B)  3        (C)  1

Need solution

Question 7 :

Solve the following 3x / (2x - 5) = 12/5

(A)  40 kg     (B)  36 kg     (C)  50 kg  

Need solution

Question 8 :

The numerator of a rational number is less than its denominator by the number 3. if the numerator becomes three times and the denominator is increased by 20, the new fraction became 1/8. Find the required fraction. 

(A)  1/3                (B)   1/2              (C)   1/4

Need solution

Question 9 :

In a circle with center O and the radius 13 cm, AB is a chord of length 24 cm.Find the distance between the chord and the center. 

(A)  6 cm               (B)   8 cm              (C)   5 cm

Need solution

Question 10 :

Find the value of x ° if the lines AB and CD are parallel to each other

(A)   0°               (B)   180°            (C)   225°

Need solution

Answers:

1.  3 

2.  105

3.  1/9  

4.  13

5.  35 

6.  4  

7.  20/3

8.  1/4  

9.  5 cm

10. 285°

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