girish08

Asked: March 1, 2023In: Class 9 Maths

Find: (i) 64^(1/2) (ii) 32^(1/5) (iii) 125^(1/3)

NCERT Class 9 Mathematics Chapter 1 Number System CBSE 2022-2023 Page No. 26 Exercise 1.6 Question No. 1

girish08

Asked: February 27, 2023In: Class 10 Maths

The distribution below gives the weights of 30 students of a class.

Find the median weight of the students. NCERT Class 10 Mathematics Chapter 14 Statistics Page No. 289 Exercise 14.3 Question No. 7

girish08

Asked: February 27, 2023In: Class 10 Maths

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Determine the median number of letters in the surnames. Find the mean number of letters in the surnames? Also, find the modal size of the surnames. NCERT Class 10 Math’s Chapter 14 Page No. 289 Exercise 14.3 Question No. 6

girish08

Asked: February 27, 2023In: Class 10 Maths

The following table gives the distribution of the life time of 400 neon lamps:

Find the median lifetime of a lamp. NCERT Class 10 Math’s Chapter 14 Page No. 289 Exercise 14.3 Question No. 5

girish08

Asked: February 27, 2023In: Class 10 Maths

The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :

Find the median length of the leaves. (Hint: The data needs to be converted to continuous classes for finding the median, since the formula assumes continuous classes. The classes then change to 117.5 – 126.5, 126.5 – 135.5, . . ...

girish08

Find: (i) 64^(1/2) (ii) 32^(1/5) (iii) 125^(1/3)

The distribution below gives the weights of 30 students of a class.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

The following table gives the distribution of the life time of 400 neon lamps:

The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :

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