Question

find the sum integers between which are divisible by 5 from 1 to 100​

Answer 1

the numbers which are divisible by 5

from 1 to 100

5 itself is divisible by 5

now the numbers are

.............................................................................................

5,10,15,20,25,30,35,40,45,

50,55,60,65,70,75,80,85,90,95,

100......

hence.......,

the the number which ends

from 0 and 5 are always

divisible by 5...................

if you want to observe this see the numbers.........

you will observe that the numbers which end from 5 or 0 is always divisible by 5......

hope this will help you .........

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