Question

three girls are climbing down staircase one girl Clans down Two Steps at one go II girl three steps at one go and the third Clans town for steps we started together from the beginning of the staircase leaving their foot mark they all came down and complete steps and had their footmarks together at the bottom of the staircase in how many stairs with their be only one pair of foot mark are there any steps on which there would be no footmark​

Answer 1

Answer:

you have big problems with your family members are not allowed in