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

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Question 2 :

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

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

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Question 3 :

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

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

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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

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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

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Question 6 :

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

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

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Question 7 :

The opposite angles of a cyclic quadrilateral are _______________

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

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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°

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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

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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

Answer Key

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Profit and loss shortcuts

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Graphing rational functions

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Decimal representation of rational numbers

Finding square root using long division

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

Translating the word problems in to algebraic expressions

Remainder when 2 power 256 is divided by 17

Remainder when 17 power 23 is divided by 16

Sum of all three digit numbers divisible by 6

Sum of all three digit numbers divisible by 7

Sum of all three digit numbers divisible by 8

Sum of all three digit numbers formed using 1, 3, 4

Sum of all three four digit numbers formed with non zero digits

Sum of all three four digit numbers formed using 0, 1, 2, 3

Sum of all three four digit numbers formed using 1, 2, 5, 6