MATH PRACTICE TEST FOR 8TH GRADE

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) -53                 (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 and 4 cm

(B) 18 cm and 8 cm

(C) 15 cm and 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

tutoring.png

Answer Key

1)  4 

2)  4 digits 

3)  -53 

4)  18 cm and 8 cm 

5)  5 

6)  Traversal 

7)  Supplementary 

8)  40° 

9)  154 cm2 

10)  440 cm2 

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