In this 8th grade worksheet4, you can find 10 problems on math which are in the level of 8 th grade.Online math 4 all gives collections of work sheets from all the grades.You may practice each set of worksheets and also you check your answers that will help you to evaluate the knowledge.

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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

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

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

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

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

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

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

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

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

7.The opposite angles of a cyclic quadrilateral are _______________

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

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°

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

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

These are the questions prepared in the topic 8th grade worksheet4.

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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