NCERT Solutions for Class 9 Maths Chapter 6 Exercise 6.1 Solutions

CBSE X Related Questions

  • 1.
    A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.


      • 2.
        Assertion (A) : The system of linear equations $3x - 5y + 7 = 0$ and $-6x + 10y + 14 = 0$ is inconsistent.
        Reason (R) : When two linear equations don't have unique solution, they always represent parallel lines.

          • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
          • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
          • Assertion (A) is true, but Reason (R) is false.
          • Assertion (A) is false, but Reason (R) is true.

        • 3.
          Use graphical method to solve the system of linear equations : $x = -3$ and $5x - 2y = -5$.


            • 4.
              Prove that $14 - 2\sqrt{3}$ is an irrational number, given that $\sqrt{3}$ is irrational.


                • 5.
                  An arc of length $2.2\text{ cm}$ subtends an angle $\theta$ at the centre of the circle with radius $2.8\text{ cm}$. The value of $\theta$ is

                    • $50^\circ$
                    • $60^\circ$
                    • $45^\circ$
                    • $30^\circ$

                  • 6.
                    If the zeroes of a polynomial p(x) are $-3$ and 8, then p(x) equals

                      • $x^2 + 5x - 4$
                      • $(x + 3) (-x + 8)$
                      • $a(x^2 + 5x - 24)$
                      • $x^2 - 24$

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