How many numbers are there between 100
and 400 which are exactly divisible by 11?
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4
Answer:
Have many numbers lies between 100 AND 400 which are exactly divisible by 11.
=>99+11=110 [If we divide 100 by 11 we will get 99 with remainder 1]
1
st
term would be=110
Last term=(400−4)=396 [If we divide 400 by 11 we will get 36 with remainder 4]
t
n
=110+(n−1)11=39 r,110+11n−11=396
=>11n=396+11−110=297
=>n=
11
297
=27
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