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NCERT Exemplar Solutions Class 6 Mathematics Solutions for Exercise in Chapter 1 - Number System
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When rounded off to nearest thousands, the number 85642 is
(A) 85600
(B) 85700
(C) 85000
(D) 86000
Answer:
(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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