Teachoo MCQ Test

Short Quiz

Chapter 3 Class 10 Pair of Linear Equations in Two Variables | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 360
Question 1 of 5
Question 1 of 5
Assertion (A): The linear equations \(x-2 y-3=0\) and \(3 x-5 y-20=0\) have exactly one solution.
Reason (R): The linear equation \(4 x-3 y-90=0\) and \(8 x+6 y-180=0\) have a unique solution.
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Question 2 of 5
NCERT Exemplar
The sum of the digits of a two-digit number is 9 . If 27 is added to it, the digits of the number get reversed. The number is
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Question 3 of 5
NCERT Exemplar
The father's age is six times his son's age. Four years hence, the age of the father will be four times his son's age. The present ages, in years, of the son and the father are, respectively:
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Question 4 of 5
NCERT Exemplar
If the lines given by \(3 x+2 k y=2\) and \(2 x+5 y+1=0\) are parallel, then the value of \(k\) is
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Question 5 of 5
The equations \(y=x+2\) and \(y=-x+4\) represent the paths of two hikers on a map. Which of the following descriptions best represents the graph of their paths?
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