NCERT Solutions for Class 10 Maths Chapter 15 Probability Exercise 15.1

CBSE X Related Questions

  • 1.
    In the adjoining figure, the slant height of the conical part is :

      • 4 cm
      • 7 cm
      • 5 cm
      • 25 cm

    • 2.
      The HCF of 960 and 432 is :

        • 48
        • 54
        • 72
        • 36

      • 3.
        PQ and PR are two tangents to a circle with centre O and radius 5 cm. AB is another tangent to the circle at C which lies on OP. If \(OP = 13\) cm, then find the length AB and PA.


          • 4.
            Evaluate : \(\frac{3 \cos^2 30^{\circ} - 6 \csc^2 30^{\circ}}{\tan^2 60^{\circ}}\).


              • 5.

                Which of the following sequence is \(\textit{not }\)an A.P. ?
                 

                  • \( 2, \frac{5}{2}, 3, \frac{7}{2}, \dots \)
                  • \( -1.2, -3.2, -5.2, -7.2, \dots \)
                  • \( \sqrt{2}, \sqrt{8}, \sqrt{18}, \dots \)
                  • \( 1^2, 3^2, 5^2, 7^2, \dots \)

                • 6.
                  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.

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