The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141.
(i) What is the height of the tallest girl?
(ii) What is the height of the shortest girl?
(iii) What is the range of the data?

Given below is a bar graph showing the heights of five mountain peaks. Read the bar graph carefully and answer the following questions: (i) Which is the highest peak and what is its height? (ii) What is the ratio of the heights of the highest peak and the next highest peak? (iii) Arrange the heights of the given peaks in descending order.

Organise the following marks in a class assessment, in a tabular form.](i) Which number is the highest? (ii) Which number is the lowest?(iii) What is the range of the data? (iv) Find the arithmetic mean.

An open container has dimensions of 4.0 m xx5.0 m and height of 3.0 m. (i) Find the weight of the air in the container at 20^(@)C . (ii) What is the weight of an equal volume of water ? Also find pressure at the base of container due to this weight pof water. (iii) What is the total downward force on the base of the container due to air pressure of 1.0 atm ? Take the denities of air and water as 1.2 kg//m^(3) and 10^(3) kg//m^(3) respectively.

KF crystallizes in the rock salt type structure. If the radius of K^+ ion is 132 pm and that of F^- ion is 135 pm. (i)What is the shortest distance between K^+ and F^- ions ? (ii)What is the edge length of the unit cell ? (iii)What is closest K-K distance ?

The length of a cylinder was measured using a vernier calipers several times. The following reading were obtained (in cm) : 1.12, 1.11,1.13, 1.10,1.14,1.15,1.16. Calculate (i) mean value of the length (ii) the absolute error in each measurement (iii) mean absolute error (iv) relative error and (v) percentage error. Write down the result in terms of mean absolute error and percentage error.

Given below are the heights (in cm) of 11 boys of a class : 149, 142, 154, 146, 143, 152, 148, 132, 140, 139, 128 Arrange the above data in an ascending order and find

Carefully observe the figure and then answer the questions that follow : (i) Identify the ancestors of humans shown in the figure. (ii) Write any two characters of each A and C. (iii) What is the cranial capacity of B ? (iv) What is the height of D ? (v) What type of teeth does D had ?

A girl fills a cylindrical bucket 32 cm in height and 18 cm in radius with sand. She empties the bucket on the ground and makes a conical heap of the sand. If the height of the conical heap is 24 cm, find : (i) the radius and (ii) the slant height of the heap. Give your answer correct to one place of decimal.

Exmine the given graph carefully. In the graph show above represents the number of girls in a particular class and represents the number of boys in the same class. Read and answer the following questions. (i) Which class has the least number of students ? (ii) Which class has maximum number of students ? (iii) What is the ratio between the number of girls and the number of boys of class V.

A survery regrding the heights (in cm ) of 50 girls of a class conducted and the following data was obatained. Find the mean of above data.