ODD ONE OUT: Classification means to define groups of people or things, arrange by class or category and then find out different things or odd one out.
In this part out of a group, one people or things differ from remaining other words, they are having some common properties. They may like as a international, national level information history, science, alphabet and numerical analogy, Classification having 3 types which are below :
(a) Classify among words and people (TYPE-1)
(b) Classify among pair of word (TYPE-2)
(c) Odd one out among set. (TYPE-3)
TYPE – 1 :
In this type, among four options three objects or things having same properties.
Sol. Last 3 options are related to the politics and first option does not follow. So, Lawyer is the odd one.
Sol. Acute, Right, obtuse are types of triangle – angle rather parallel is a property of line
Sol. 37 is not divisible by 5 and rest numbers are divisible by 5.
Sol. All except Mathura, are situated on the bank of river Ganga.
Type – 2 :
In previous type, there is a single word or thing is given which follow same type of properties. In this type we have a pair in it, 1st object related to another object with any specific properties, we have found that pair which doesn’t follow it.
(a) Painter : Gallery
(b) Actor : Stage
(c) Worker : Factory
(d) Student : Stage
Sol. Clearly, (d) is the odd one. In all other pairs, 2nd is the working place of the first.
(a) Ornithology : Birds
(b) Mycology : Fungi
(c) Phycology : Algae
(d) Biology : Botany
Sol. Clearly, answer is (d). If all other pairs, 1st is study of second field.
(a) 8 – 64
(b) 9 – 81
(c) 10 – 100
(d) 11 – 131
Sol. (d); is the answer. 82
= 64, 92
= 81, 102
= 100, 112
Type – 3 :
In this type, pairs are given with minimum 3 digit or object which are correlated to each other with any specific property
(a) (3, 9, 27)
(b) (5, 25, 125)
(c) (6, 36, 216)
(d) (9, 81, 728)
Sol. Clearly, (d) is the odd one, which does not follow continue powers of 9.
(a) 5, 10, 15, 20
(b) 6, 12, 18, 24
(c) 8, 60, 10, 40
(d) 15, 30, 45, 60
Sol. Option (c) does not follow the multiples of digit 8 rather remaining have 1 : 2 : 3 : 4 ratio.