Subject :IMO Class : Class 4
Three of the following four are alike in a certain way and so form a group. Choose the odd one out.
(a) ACE
(b) DFH
(c) IKM
(d) NPS
Three of the following four are alike in a certain way and so form a group. Choose the odd one out.
(a) ACE
(b) DFH
(c) IKM
(d) NPS