Question

3. En la siguiente secuencia: 1, 2, 3, 4, …, 400  Cuántos números son divisible por 5

Answer 1

80 numeros son divicibles

Answer 2

Son:
{5,10,15,20,25,30,35,40,45,50,55,60,65,70,75, 80,85,90,95,100,105,110,115,120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,205,210,115,120,125,130,135,140,145,150,155,160,165,170,175.....400}