Hoo many numbers are
there between 1 and 1000
which when divided by 7 leave remainder 4 ?
Answers
Answered by
1
Step-by-step explanation:
Number will be in form 7n+4
for first number n=0 so number=4
now 99=13*7+4=95
Thus 4 is first number and last is 95
and the numbers are having difference of 7
Thus number of these no=(95–4)/7+1
=91/7+1=14
Answered by
1
Answer:
let n numbers
it will create an ap: 11,18,25,..........., 998
an=a+(n-1)xd
998=11+(n-1)x7
998-11=7n-7
987+7=7n
994/7=n
n=142
142 numbers will be there
Step-by-step explanation:
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