8TH GRADE MATH PRACTICE QUESTIONS
Question 1 :
What is the value of square root of 81?
(A) 81 (B) 3 (C) 9
Question 2 :
Find the area of a right angled triangle, if the radius of the circumcircle is 5 cm and altitude to the hypotenuse is 4 cm.
(A) 20 cm2 (B) 10 cm2 (C) 30 cm2
Question 3 :
The volume of cubical box is 46.656 cubic meters. Find the length of the side of the cubical box.
(A) 3.6 m (B) 5.2 m (C) 7.8 m
Question 4 :
The sum of the digits of a two digit number is 15 and if 9 is added to the number the digits are interchanged. Find the required number.
(A) 78 (B) 87 (C) 96
Question 5 :
In a circle with center O and radius 17 cm, PQ is a chord at a distance of 8 cm from the center. Find the length of the chord.
(A) 30 cm (B) 15 cm (C) 24 cm
Question 6 :
The radius and height of a cylinder are in the ratio 5:7 and its volume is 550 cm³ find its radius.
(A) 5 cm (B) 6 cm (C) 7 cm
Question 7 :
The mean weight of 4 boys is 56 kg and that of 6 girls in 46 kg. find the combined mean weight of 10 students.
(A) 40 kg (B) 36 kg (C) 50 kg
Question 8 :
The arithmetic mean of 8, 10, x and 12 is 9. Find the value of x.
(A) 6 (B) 8 (C) 9
Question 9 :
Find the number of sides of regular polygon whose exterior angle measure of 45 degree.
(A) 6 sides (B) 8 sides (C) 9 sides
Question 10 :
Simplify the expressions and evaluate them as directed.
x (x-3) + 2 for x = 1
(A) 0 (B) 5 (C) 3
Answer Key
|
(1) 9 (2) 20 cm² |
(6) 5 cm |
Apart from the stuff given above, if you need any other stuff in math, please use our google custom search here.
If you have any feedback about our math content, please mail us :
v4formath@gmail.com
We always appreciate your feedback.
You can also visit the following web pages on different stuff in math.
WORD PROBLEMS
Word problems on simple equations
Word problems on linear equations
Word problems on quadratic equations
Area and perimeter word problems
Word problems on direct variation and inverse variation
Word problems on comparing rates
Converting customary units word problems
Converting metric units word problems
Word problems on simple interest
Word problems on compound interest
Word problems on types of angles
Complementary and supplementary angles word problems
Trigonometry word problems
Markup and markdown word problems
Word problems on mixed fractrions
One step equation word problems
Linear inequalities word problems
Ratio and proportion word problems
Word problems on sets and venn diagrams
Pythagorean theorem word problems
Percent of a number word problems
Word problems on constant speed
Word problems on average speed
Word problems on sum of the angles of a triangle is 180 degree
OTHER TOPICS
Time, speed and distance shortcuts
Ratio and proportion shortcuts
Domain and range of rational functions
Domain and range of rational functions with holes
Graphing rational functions with holes
Converting repeating decimals in to fractions
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
Recent Articles
-
Solving Problems with Patterns
Jul 25, 21 12:02 PM
Solving Problems with Patterns
-
Example Problems on Formula by Induction
Jul 25, 21 10:54 AM
Example Problems on Formula by Induction
-
Area and Volume of Similar Figures Example Problems
Jul 25, 21 02:02 AM
Area and Volume of Similar Figures Example Problems
