CBSE Questions for Class 10 Maths Pair Of Linear Equations In Two Variables Quiz 16 - MCQExams.com

Giri is 20 year older than his son. If the sum of their ages ishow old is his son?
  • 5 years
  • 20 years
  • 25 years
  • 30 years
Solve :
3x2y=13x2y=1
2x+y=32x+y=3
  • 1,11,1
  • 3,33,3
  • 4,44,4
  • None of thse
Choose the correct alternative answers for the following questions.
 If 3x+5y=93x+5y=9 and 5x+3y=75x+3y=7 then What is the value of x+y ?x+y ? 
  • 22
  • 1616
  • 99
  • 77
The solutions of the pair of equations xy=0,x+y=0xy=0,x+y=0
  • x=3,y=5x=3,y=5
  • x=3,y=2x=3,y=2
  • x=0,y=0x=0,y=0
  • x=5,y=5x=5,y=5
Based on equations reducible to linear equations
Solve for x and y: 16x+3+3y2=5;8x+31y2=016x+3+3y2=5;8x+31y2=0
  • x=5,y=3x=5,y=3
  • x=7,y=2x=7,y=2
  • x=1,y=5x=1,y=5
  • None of these
Based on equations reducible to linear equations
Solve for x and y: 242x+y133x+2y=2;263x+2y+82x+y=3242x+y133x+2y=2;263x+2y+82x+y=3
  • x=2,y=6x=2,y=6
  • x=5,y=3x=5,y=3
  • x=3,y=2x=3,y=2
  • x=1,y=0x=1,y=0
The cost of an article AA is 1515% less than that of article B.B. If their total cost is 2,775Rs;2,775Rs; find the cost of each article..
  • A=1,873Rs.A=1,873Rs. and B=1,600Rs.B=1,600Rs.
  • A=1,275Rs.A=1,275Rs. and B=1,500Rs.B=1,500Rs.
  • A=1,647Rs.A=1,647Rs. and B=1,900Rs.B=1,900Rs.
  • A=1,450Rs.A=1,450Rs. and B=1,300Rs.B=1,300Rs.
Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method:
If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces toIt becomes 1212 if we only add 1 to the denominator. What is the fraction?
  • 2727
  • 3535
  • 6767
  • 1919
The pair of linear equation px +2y=5 and 3x+y=1 has unique solution of 
  • p6
  • p=6
  • p=5
  • p5
0:0:2


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