Question

Can anybody explains me this trick...plzzz

in this trick you need to ask u frnd about to choose a no. between 1 to 10 and write it on a paper and don't show it
now write all. no. 1 to 10 on paper and cross it but why and how? explain​

Answer 1

Answer:

Foolish try to study!!

Answer 2

very long explanation yrr

go watch it on YouTube