Number of persons living in a house is reported to be as under for 500 houses in a village. Find the median number of persons in a house in the village.
`{:("Number of Persons in a House",1,2,3,4,5,6,7,8,9,10),("Number of Houses",26,113,120,95,60,42,21,14,5,4):}`

Calculate the median and mode of the number of persons per house in a village with the help of the following information : {:("Number of Persons per House",1,2,3,4,5,6,7,8,9,10),("Number of House",26,133,120,95,60,42,21,14,5,4):}

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality . Find the mean number of plants per house. {:("Number of plants ",0-2,2-4,4-6,6-8,8-10,10-12,12-14),("Number of houses "," "1," "2," "1," "5," "6," "2," "3):} Which method did you use for finding the mean, and why ?

A survey was conducted by a group of students as a part of their environment awareness programme , in which they collected the follwing data regarding the number of plants in 20 houses in a locality . Find the mean number of plants per house . {:("Number of plants","Number of houses"),(0-2,1),(2-4,2),(4-6,1),(6-8,5),(8-10,6),(10-12,2),(12-14,3):}

A house writing, supplied with a 220V supply line is protected by a 9 ampere fuse. Find the maximum number of 60 W in parallel that can be turned on.

20 kgs of rice is needed for a family of 4 members. How many kgs of rice will be required if the number of members in the house increases to 10?

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of plants: 0-2 2-4 4-6 6-8 8-10 10-12 12-14 Number of houses: 1 2 1 5 6 2 3 Which method did you use for finding the mean, and why?

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of plants: 0-2 2-4 4-6 6-8 8-10 10-12 12-14 Number of houses: 1 2 1 5 6 2 3 Which method did you use for finding the mean, and why?

If the mean number of plants contributed be 8.9, then how many houses contributed 7 to 9 plants?

The average age of 06 persons living in a. house is 23.5 years. Three of them are majors and their average age is 42 years. The difference in ages of the three minor children is same. What is the median of the ages of minor children ?