8TH GRADE MATH QUIZ WITH ANSWERS

Question 1 :

What fraction should be added with -4/9 to get 6/17 ?

(A)   104/163      (B)   136/151       (C)   122/153

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Question 2 :

Find for which value of x is the following equation true? 4^4x-7 = 4^{x - 1} .

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

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Question 3 :

Express 412 x 10^-9 in standard form. 

(A) 0.000000412       (B)  412000000

     (C) 4120000

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Question 4 :

Find the value of 5x - 6y - 8z if x = 2, y = 3 and z = -2.

(A) 5           (B) 8         (C) -18

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Question 5 :

A number is 7 times greater than another number. If their sum is 96, find the numbers.

(A) 49, 51          (B) 84, 12         (C) 21, 75

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Question 6 :

Which of the following are Pythagorean triplet?

(A) 12, 16, 20    (B) 9, 12, 15     (C) 10, 12, 34

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Question 7 :

Which of the following is the cube of the even number?

(A) 343     (B) 729      (C) 1728

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Question 8 :

Find the square root of 98464

(A) 272      (B) 242       (C) 212

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For more examples please visit "Square root by long division method"

Question 9 :

The sum of two numbers is 80 and their ratio is 3:5.Find the numbers.

(A) 30 and 50     (B) 18 and 30     (C) 21 and 35

Need solution

Question 10 :

Find the value of x ° if the lines AB and CD are parallel to each other

(A)   90°               (B)   123°            (C)   57°

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Answer Key

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