Find the sum of all numbers from 1 to 140 which are divisible by 4
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Divisible by 4 from 1 to 140 is like;
4,8,12,....140 total 35 terms;
First number is 4,
common difference is 4,
last term is=140;
Sum of all the numbers= n/2(a+T)
=(35/2)(4+140)
=(35/2)*144
=2520
4,8,12,....140 total 35 terms;
First number is 4,
common difference is 4,
last term is=140;
Sum of all the numbers= n/2(a+T)
=(35/2)(4+140)
=(35/2)*144
=2520
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34
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