## 8TH GRADE MATH PRACTICE TEST

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

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

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

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° (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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Decimal representation of rational numbers

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L.C.M method to solve time and work problems

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