**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.

**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

**Question 2 :**

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

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

**Question 3 :**

Find the value of 3x^{3} - 4x^{2} + x - 5 when x = -3

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

**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

**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

**Question 6 :**

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

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

**Question 7 :**

The opposite angles of a cyclic quadrilateral are _______________

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

**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°

**Question 9 :**

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

(A) 154 cm^{2 }(B) 130 cm^{2 }(C) 145 cm^{2}

**Question 10 :**

The volume of a right circular cylinder is 1100 cm^{3} and the radius of its base is 5 cm. Calculate its curved surface area.

(A) 410 cm^{2 }(B) 125 cm^{2 }(C) 440 cm^{2}

Answers:

1. 4

2. 4 digits

3. -71

4. 18 cm x 8 cm

5. 5

6. Traversal

7. Supplementary

8. 40°

9. 154 cm^{2}

10. 440 cm^{2}

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