Sum of all natural numbers between 100 and 300 excluding both of these which are exactly divisible by 4
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Answer:
sum of aall natural number is 7650
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Step-by-step explanation:
AP is 104,108,112............296
a=104
d=4
an=297
find n no. of terms
an=a+(n-1)d
296=104+(n-1)4
192/4=n-1
48=n-1
n=49
sum of these terms
sn=n(a+l)/2
=49(104+296)/2
=49×200
=9800
hope this will help you
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