NCERT Solutions for Class 10 Maths Chapter 15 Probability Exercise 15.1

CBSE X Related Questions

  • 1.

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

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

    • 2.
      In the given figure, \(TP\) and \(TQ\) are tangents to a circle with centre \(M\), touching another circle with centre \(N\) at \(A\) and \(B\) respectively. It is given that \(MQ = 13 \text{ cm}\), \(NB = 8 \text{ cm}\), \(BQ = 35 \text{ cm}\) and \(TP = 80 \text{ cm}\).
      (i) Name the quadrilateral MQBN. (1)
      (ii) Is MN parallel to PA? Justify your answer. (1)
      (iii) Find length TB. (1)
      (iv) Find length MN. (2)


        • 3.
          Aarush bought 2 pencils and 3 chocolates for Rs 11 and Tanish bought 1 pencil and 2 chocolates for Rs 7 from the same shop. Represent this situation in the form of a pair of linear equations. Find the price of 1 pencil and 1 chocolate, graphically.


            • 4.
              If the median of the following distribution is 32.5, then find the values of x and y.


                • 5.
                  The dimensions of a window are 156 cm \(\times\) 216 cm. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.


                    • 6.
                      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.

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