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Class 9 Maths
Linear Equation In Two Variables Chapter 4
Quiz 1
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Geeta’s age is 3 years more than thrice m, the age of Meeta. Write an equation of first degree to display this information.
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g + 3 = 3m
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g - 3 = 3m
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g + 3m + 3 = 0
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g - 3m + 3 = 0
Which of the following is not a linear equation?
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A
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B
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C
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D
A linear equation in one variable is an equation of the form ...........
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ax + b = 0, where a, b , c are real numbers
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ax = c, where a and c are real numbers
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by = c, where band c are real number
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All of above
The Equation y = - 5, in two variables can be written in the form of ax + by + c = 0 as
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1.x + 0.y + 5 = 0
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0.x + 1.y -5 = 0
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0.x + 1.y + 5 = 0
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1.x + 0.y -5 = 0
Which of the following equations is linear equation in two variables?
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A
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B
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C
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D
The number of girls x in a class is 5 less than twice the number of boys y of the same class. The linear equation in two variables for this information is
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x + 5 = 2y
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2x - y = 5
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2y - x = -5
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x + 2y = -5
The speed x of train A is twice the speed y of the train B. Express this in the form of a linear equation.
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x = y + 2
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x = 2y
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x = y/2
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x = y - 2
The cost of a pencil is thrice the cost of rubber. The equivalent linear equation in two variables of above statement is:
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p = 3 -r
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p =1/3 +r
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p = 3r
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p = 3 + r
The linear equation x = 5 can be written in two variables as:
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0.x + 1.y + (-5) = 0
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1.x + 1.y + (-5) = 0
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1.x + 5 = 0
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1.x + 0.y + (-5) = 0
The equation in two variables is expressed as:
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A
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B
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C
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D
Which of the following is linear equation?
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A
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B
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C
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D
Which of the following is a linear inequality with two variables?
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2x + 8y ≥ 9
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8x + 9y = 0
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10x + 7 ≤ 2
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None of the above
The coefficients a,b, c in the following linear equation of the form ax + by + c = 0 is of the equation are
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A
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B
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C
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D
If half of the cake is equal to the six pastries then the linear equation in two variables of above statement is expressed as
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A
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B
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C
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D
For an equation ax + by + c = 0 to be a linear equation,which one of the following conditions should be satisfied?
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a and c shouldn’t be zero at the same time
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a and b shouldn’t be zero at the same time correct
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b and c shouldn’t be zero at the same time
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c should be non zero
Which of the following is a linear equation in one variable?
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x + 5 = 6 correct
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2x +3y = 0
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x2 = 5x + 3
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5x = y2 + 3
Which of the following is linear equation?
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A
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B
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C
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D
Difference between the cost of a carpet(C) and a durries(D) is Rs.If the carpet the costlier one of the two, which of the following represents this information?
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C - D = 200
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C - D = 200 C-D=200
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D - C = 200
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C + D = 200
Four times B's age exceeds A's age by twenty years.
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4B - A = 20
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3B - 2A = 18
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5B - 3A = 25
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5B - 7A = 16
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