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CBSE Questions for Class 10 Maths Pair Of Linear Equations In Two Variables Quiz 12 - MCQExams.com

Solve graphically: 5x6y+30=0; 5x+4y20=0. Also, find the vertices of the triangle formed by the above two lines and x-axis.
  • (3,5),(4,2),(6,9)
  • (0,5),(6,0),(4,0)
  • (0,2),(7,2),(0,4)
  • (2,3),(1,7),(3,9)
In a zoo there are some pigeons and some rabbits. If the total number of heads is 300 and the total number of legs is 750, then how many pigeons are there?
  • 150
  • 175
  • 200
  • 225
Using substitution method find the value of x and y:
2x3y=2 and 5x6y=2
  • -4 and -1
  • -2 and 10
  • -2 and -11
  • -2 and -2
The total salary of 15 men and 8 women is Rs. 3050. The difference of salaries of 5 women and 3 men is Rs. 50. Find the sum of the salaries of 3 men and 3 women
  • Rs. 900
  • Rs. 850
  • Rs. 750
  • Rs. 1000
A students walks from his house at less 4 km per hour and reaches his school late by 5 minutes. If his speed has been increase by 5 km per hour then he would have reached 10 minutes early. The distance of the school from his house is
  • 35km
  • 5km
  • 6km
  • 4km
Solve for x and y, if 2x+3y=8 and x+2y=5.
  • x=1,y=2
  • x=1,y=2
  • x=2,y=2
  • x=1,y=2
The sum of the digits of a two-digit number is 5. The digit obtained by increasing the digit in tens' place by unity is one-eighth of the number. Then the number is
  • less than 30
  • lies between 30 and 40
  • more than 37
  • lies between 40 and 50
10 years ago the age of the father was 5 times that of the son. 20 years hence the age of the father will be twice that of the son. The present age of the father (in years) is
  • 40
  • 45
  • 60
  • 70
The graphs of 2x+3y6=0,4x3y6=0,x=2 and y=23 intersect in 
  • four points
  • one point
  • in no points
  • infinite number of points
What values of x and y satisfies the equations  x6+y15=4 and x3y12=434
  • (6,15)
  • (18,15)
  • (15,18)
  • (12,30)
The ratio of the ages of A and B ten years before was 3:5. The ratio of their present ages is 2:3 . Their ages are respectively
  • 30,50
  • 20,30
  • 40,60
  • 16,24
Solve the equations using graphical method: x+y=1 and 2x3y=7
  • (2, -1)
  • (-2, -1)
  • (-2, 1)
  • (2, 1)
Find the value of x and y using substitution method:
5x6y=2 and 6x5y=9
  • 4 and 3
  • 3 and 4
  • 4 and 3
  • 4 and 3
Find the value of x and y using substitution method:
xy=2 and 2xy=9
  • 7 and 7
  • 7 and 5
  • 7 and 5
  • 5 and 7
Solve equations using substitution method: xy=3 and x+y=0
  • 32 and 1
  • 32 and 1
  • 32 and 32
  • 0 and 32
Solve equations using substitution method:
2x+y=5 and 2x3y=3
  • 14 and 12
  • 14 and 12
  • 94 and 12
  • 94 and 12
Solve equations using substitution method:
2xy=3 and 4x+y=3
  • 1 and 1
  • 2 and 1
  • 1 and 1
  • 1 and 1
If 2 tables and 3 chairs cost Rs.4500 and 3 tables and 2 chairs cost Rs.5000, then how much does a table cost?
  • Rs. 1100
  • Rs. 1200
  • Rs. 1150
  • Rs. 1300
Father says to son "I am 5 times as old as you were when i was as old as you are". If sum of their ages is 48, what is the age of the father?
  • 20
  • 9
  • 45
  • 40
Graph the equation by determining the missing values needed to plot the ordered pairs.
y+x=4;
(1,y1),(4,y2),(3,y3)

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Use the method of substitution to solve the equations
x+2y=4 and 4x+5y=2
  • 163 and 23
  • 163 and 23
  • 8 and 6
  • 163 and 23
Solve the equation using substitution method:
3x5y=11 and +10y+6x=7 
  • (2912,34)
  • (34,2912)
  • (2912,34)
  • (2912,34)
Using substitution method find the value of x and y:
x+4y=4 and 2x3y=2
  • 411 and 1011
  • 211 and 1011
  • 211 and 1011
  • 211 and 211
Using substitution method find the value of x and y:
3x+5y  =1 and 4x+5y=2
  • 1 and 25
  • 1 and 25
  • 1 and 25
  • 1 and 25
Using substitution method find the value of x and y:
4x+9y=5 and 5x+3y=8
  • 1 and 25
  • 1 and 25
  • 1 and 1
  • 1 and25
Solve the equation using substitution method:
3x+y+1=0  and  3x4y=10 
  • (0.4, 2.2)
  • (0.4, -2.2)
  • (0.4, 1.2)
  • (-0.4, 2.2)
Using substitution method find the value of x and y:
x9y=18 and x+3y=15
  • 13.5 and 3.5
  • 13.5 and 2.5
  • 13.5 and 2.5
  • 13.5 and 0.5
Solve the equations using the method of substitution method :
3x+4y=43 and 2x+3y=11
  • 7 and 5
  • 5 and -7
  • -5 and 7
  • 5 and 7
Find the value of a and b using substitution method:
a+b=3 and 3a+2b=1
  • 1 and 2
  • 2 and 1
  • -2 and -1
  • 2 and -1
Solve the equations using graphical method: 2xy=2 and 4xy=4
  • (1, -1)
  • (1, 0)
  • (2, -1)
  • (0, 1)
0:0:1


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