NCERT Solutions for Class 10 Maths Chapter 14 Statistics Exercise 14.1

CBSE X Related Questions

  • 1.
    Three coins are tossed together. The probability that at least one head comes up is

      • \(\dfrac{3}{8}\)
      • \(\dfrac{7}{8}\)
      • \(\dfrac{1}{8}\)
      • \(\dfrac{3}{4}\)

    • 2.
      If the sum of first n terms of an A.P. is given by \( S_n = \frac{n}{2}(3n+1) \), then the first term of the A.P. is

        • 2
        • \( \frac{3}{2} \)
        • 4
        • \( \frac{5}{2} \)

      • 3.
        Find 'mean' and 'mode' of the following data : Frequency Distribution Table
        Class0 – 1515 – 3030 – 4545 – 6060 – 7575 – 90
        Frequency118157109


          • 4.
            The sum of a number and its reciprocal is \(\frac{13}{6}\). Find the number.


              • 5.
                If the mode of some observations is 10 and sum of mean and median is 25, then the mean and median respectively are

                  • 12 and 13
                  • 13 and 12
                  • 10 and 15
                  • 15 and 10

                • 6.
                  Find the smallest value of $p$ for which the quadratic equation $x^2 - 2(p + 1)x + p^2 = 0$ has real roots. Hence, find the roots of the equation so obtained.

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