Mathematical Challenge
Authored by soumya biju
Others
8th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the algebraic expression: 3x + 2y - 5z
3x + 2y + 5z - 5z
3x + 2y + 5z
3x + 2y - 5z
3x - 2y - 5z
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the linear equation: 2x + 3 = 11
x = 2
x = 4
x = 7
x = 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the area of a rectangle with length 6 cm and width 4 cm
20 square cm
30 square cm
24 square cm
10 square cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following numbers is a rational number: 0.5, √2, -3, 1/2?
√2
0.5
-3
2/3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a class of 30 students, 18 like Math, 12 like Science, and 5 like both. How many students like only one subject?
18
10
15
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Factorize the expression: 4x^2 - 9
(2x + 3)(2x - 3)
(4x + 3)(4x - 3)
(2x - 3)(2x + 3)
(2x + 3)(2x + 3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the value of x in the equation: 3(x + 4) = 21
x = 8
x = 3
x = 5
x = 6
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