Short Quiz

Question 1 of 5

Assertion (A): Graphically, two coincident lines represent a pair of inconsistent equations.
Reason (R): Coincident lines have infinite points of intersection.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 2 of 5

NCERT Exemplar

Aruna has only ₹ 1 and ₹ 2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is ₹75 , then the number of ₹ 1 and ₹ 2 coins are, respectively

A 35 and 15 B 35 and 20 C 15 and 35 D 25 and 25

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Question 3 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

A \(\frac{-5}{4}\) B \(\frac{2}{5}\) C \(\frac{15}{4}\) D \(\frac{3}{2}\)

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Question 4 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?

A Two parallel lines. B A line with a positive slope and a line with a negative slope intersecting. C Two lines that are coincident. D A horizontal line and a vertical line.

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Question 5 of 5

NCERT Exemplar

The pair of equations \(y=0\) and \(y=-7\) has:

A one solution B two solutions C infinitely many solutions D no solution

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