Find l.u.b.and g.l.b., if exist, for set {1/n+1:n=5, 6,7,...}.(B.Sc.I.DC -11.HUKAM RAJ BHAGAT.)

Find the l. u. b. and g. l. b., if they exist, for the set
{1/n plus 1:n equal to 5,6,7,...).
B. Sc. I. D C 11.
HUKAM RAJ BHAGAT.