Question

find the sum of all2 digit number divisible by 5​

Answer 1

Answer:

there is nothing possible probably

Answer 2

Answer:

10+15+20....................+95

10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95

there are 18 numbers

Sn=n/2[first term + Last term]

S18=18/2[10+95]

S18=9[105]

S18=945

thanks