yes i want solutions to these ?s as m going to encounter thoughtworks assesmnt in october in colg placemnt

hiiiiiiiiiiiii kanwr can u plz give me the solution of these ?s kanwar singhreally big thanks for the help brother I have already solved these questions.. but thanks any more...

hiiiiiiiiiiiii can u plz tell me how to solve above given ?s ................... i tried a lot just solved 2 ?ns