# NCERT Exemplar Solutions Class 6 Mathematics Solutions for Exercise in Chapter 1 - Number System

Question 2 Exercise

When rounded off to nearest thousands, the number 85642 is

(A) 85600

(B) 85700

(C) 85000

(D) 86000

(D) 86000

When rounded off to nearest thousands, the number 85642 is = 86000

Video transcript
"hello students welcome to lido homework let us solve the question that's given on our screen today it reads the numbers of children in 10 families of a locality are it's 2 4 3 4 2 3 one one five so each of the family has like first family has two children second has four third has three and so on tenth has five children now you need to find the number of children per family actually this if you say number of children for per family which is already given per family means actually it should be an average or a mean number okay so you want to have a fixed number per family you need to find the average or the mean of the number of children per family so here the mean like i have already mentioned is the sum total of the number numbers given and divided by total number of numbers or the values so here we are going to take sum total of children okay or you can write it as total number no dot means number of children okay divided by total number of families right total number of families okay so this will give you mean is equal to it is when you add them 2 plus 4 plus 3 or let me write it like this 2 plus 4 plus 3 plus 4 plus 2 plus 3 plus 5 plus 1 plus 1 plus 5 divided by total number of families are 10 which is already given and this further equals 30 divided by 10 which is equal to 3. so you can conclude this by a solution step saying there are three children per family okay i hope it's clear if you still have any doubt put a message in the comment section and subscribe to our channel for regular updates bye"
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