NCERT Solutions for Class 9 Maths Chapter 6 Exercise 6.3 Solutions

CBSE X Related Questions

  • 1.
    For an acute angle \(\theta\), if \(\sin \theta = \frac{1}{9}\), then value of \(\frac{9 \csc \theta + 1}{9 \csc \theta - 1}\) is

      • \(0\)
      • \(\frac{80}{81}\)
      • \(1\)
      • \(\frac{82}{80}\)

    • 2.
      Arc \(PQ\) subtends an angle \(\theta\) at the centre of the circle with radius \(6.3 \text{ cm}\). If \(\text{Arc } PQ = 11 \text{ cm}\), then the value of \(\theta\) is

        • \(10^{\circ}\)
        • \(60^{\circ}\)
        • \(45^{\circ}\)
        • \(100^{\circ}\)

      • 3.
        Mean and Median of a frequency distribution are 43 and 40 respectively. The value of mode is

          • 34
          • 43
          • 38.5
          • 41.5

        • 4.
          In an A.P., if $a_{14} - a_8 = 24$, then the common difference of the A.P. is

            • $6$
            • $4$
            • $\pm 4$
            • $3$

          • 5.
            Assertion (A) : H.C.F. \((36 m^{2}, 18 m) = 18 m\), where \(m\) is a prime number.
            Reason (R) : H.C.F. of two numbers is always less than or equal to the smaller number.

              • 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.

            • 6.
              There are two sections A and B of Grade X. There are 28 students in Section A and 30 students in Section B. What is the minimum number of books you will acquire for the class library so that they can be distributed equally among students of Section A or Section B ?

                • 144
                • 2
                • 420
                • 272

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