find the sum of all numbers between 100-200 which are not divisible by 5
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Answered by
3
see it can be solve by an = a + (n-1)d
formula
formula
joemartin:
how
Answered by
1
first find the sum of all the nos. lying between 100-200 using formula
Sn = n/2{2a+(n-1)d}
then subtract the sum of all the nos. divisible by 5.
u will get the required answer.
Sn = n/2{2a+(n-1)d}
then subtract the sum of all the nos. divisible by 5.
u will get the required answer.
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