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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
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MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 8
/
Maths
/
Linear Equations in One Variable
1.
The root of the equation z + 4 = -8 is
3
-32
12
4
2.
The root of the equation 3x = \(\frac{20}{7}\) - x is
10
\(\frac{20}{21}\)
-\(\frac{5}{7}\)
\(\frac{5}{7}\)
3.
The root of the equation 2x + 3 = 2(x - 4) is
2
4
0
does not exist.
4.
The solution of the equation \(\frac{5}{x}\) = 2 is
10
\(\frac{2}{5}\)
\(\frac{5}{2}\)
\(\frac{1}{10}\)
5.
The difference of two numbers is 21. The larger number is x. The smaller number is
21 + x
21 - x
x - 21
-x - 21
6.
In a two digit number, the unit’s digit is x and the ten’s digit is y. Then, the number is
10y + x
10x + y
10y - x
10x - y
7.
When 9 is added to two times a number, we get 67. The number is
25
27
29
31
8.
The value of x in \(\frac{3}{4}\) x = 7 - x is
4
3
\(\frac{7}{3}\)
7
9.
\(\frac{3}{4}\) part of a number is 5 more than its \(\frac{2}{3}\) part. This statement in the form of an equation is
\(\frac{2}{3}\) x - \(\frac{3}{4}\) x= 5
\(\frac{2}{3}\) x - 5 =\(\frac{3}{4}\) x
\(\frac{3}{4}\) x = \(\frac{2}{3}\) x + 5
\(\frac{3}{4}\) x - 5 = -\(\frac{2}{3}\) x
10.
The root of the equation 5x - 8 = 7 is
1
2
3
-3
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Linear Equations in One Variable
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