8TH GRADE MATH WORKSHEET 4

About "8th grade math worksheet 4"  

8th grade math worksheet 4 :

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 :

What is the smallest number by which 256 may be divided so that the quotient is perfect cube? 

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

Need solution

Question 2 :

How many digits are there in the square root of 4456321?

(A) 2 digits        (B) 4 digits      (C) 3 digits

Need solution

Question 3 :

Find the value of 3x³ - 4x² + x - 5 when x = -3 

(A) -54                 (B) -71               (C) -32

Need solution

Question 4 :

The perimeter of a rectangle is 52 cm. If its width is 2 cm more than one-third of its length, find the dimensions of rectangle.

(A) 12 cm x 4 cm    (B) 18 cm x 8 cm      (C) 15 cm x 9 cm

Need solution

Question 5 :

What must be added to each of the numerator and the denominator of the fraction 7/11 to make it equal to 3/4

(A) 9                    (B) 5             (C) 12

Need solution

Question 6 :

A line which intersects two or more lines at a distinct points is called a ____________

(A) concurrent       (B) Intersecting     (C) Transversal

Need solution

Question 7 :

The opposite angles of a cyclic quadrilateral are _______________

(A) Supplementary    (B) Complementary (C) None of these

Need solution

Question 8 :

In triangle ABC is inscribed in a circle with center O and BC is a diameter, if angle BAC is 50°, find angle ABC.

(A)  50°           (B)  40°           (C)  48°

Need solution

Question 9 :

The circumference of a circle is 44 cm.Find its area (use π=22/7) 

(A) 154 cm²      (B) 130 cm²      (C) 145 cm²

Need solution

Question 10 :

The volume of a right circular cylinder is 1100 cm³ and the radius of its base is 5 cm. Calculate its curved surface area. 

(A) 410 cm²        (B) 125 cm²          (C) 440 cm²

Need solution

Answers:

1. 4 

2. 4 digits 

3. -71 

4. 18 cm x 8 cm 

5. 5 

6. Traversal 

7. Supplementary 

8. 40° 

9. 154 cm² 

10. 440 cm² 

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