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
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Question 1 of 5
Assertion (A): The value of \(k\) for which the system of linear equations \(3 x-4 y=7\) and \(6 x-8 y=k\) have infinite number of solution is 14.
Reason (R): The graph of linear equations \(a_1 x+b_1 y+c_1=0\) and \(a_2 x+b_2 y+c_2=0\) gives a pair of intersecting lines if \(\frac{a 1}{a 2} \neq \frac{b 1}{b 2}\).
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Question 2 of 5
If the cost of 2 pens and 3 notebooks is ₹100, and the cost of 4 pens and 6 notebooks is ₹200, which of the following is true about the cost of a single pen and a single notebook?
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Question 3 of 5
NCERT Exemplar
The pair of equations \(x+2 y+5=0\) and \(-3 x-6 y+1=0\) have:
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Question 4 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 5 of 5
NCERT Exemplar
The pair of equations \(y=0\) and \(y=-7\) has:
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