Classification

Classification

Classification means to classify a thing/ letter/ word/ number from a group on the basis of their general property, shape, size, colour, kind etc.

Classification Questions in Competitative Exams can be divided into two types:

Examples:

 Sun Moon Star Universe Sun, Moon, Stars are part of Universe Brother Niece Cousin Uncle Brother is direct blood relation Fry Peel Boil Bake Fry, Boil, Bake are different mode of Cooking. But Peel is not. Tomato Guava Carrot Brinjal Tomato, Guava, Carrot can be eaten raw but not brinjal not Radius Arc Diameter Diagonal Radius, Arc, Diameter are Associated with Circle but diagonal is not related to circle. Inch Meter Yard Quart Inch, Meter, yard are units of Distance but Quart not Heart Ear Lung Eye Ear, Lung, Eye are in Pair in Human Body, But Heart is one Hostel Hotel Motel Club Hostel, Hotel, Motel are places of staying but Club is a place of Entertainment Nylon Wool Silk Jute Except Nylon all other are Natural Fibre Month Season Year Week Month, Year, Week are precise measurement of days but Season not

Examples:

 43 53 63 73 All Numbers are Prime except 63 51 144 64 121 All Numbers are Perfect Sqaure except 51 6 12 18 7 All Numbers are composite except 7. 7 is Prime 21 39 51 83 All Numbers are composite except 83. 83 is Prime 11 13 15 17 All Numbers are Prime Except 15 12 10 11 15 All Numbers are Composite Except 11. 11 is Prime. 87 49 132 154 49 is Perfect Square where as other are not 21 69 81 93 81 is Perfect Square where as other are not 140 240 360 480 All Numbers are multiple of 120 except 140 232 431 612 813 Product of Digit in all numbers is 12 excpet 813 232=> 2*3*2=12 431=>4*3*1=12 612=>6*1*2=12 813=>8*1*3=24 215 126 65 28 All other numbers follow (Number3+1) except 215 126=53+1 65=43+1 28=33+1 5678 5467 3456 2345 All the Digits in Number are Consecutive except in 5467 392 326 414 248 3*9*2=54 (54 is not perfect sqaure) 3*2*6=62 4*1*4=42 2*4*8=82 1754 2690 7324 9611 The Sum of all Digit is 17 in all Numbers except 136 153 147 136 119 Only 119 has different factors, 7 and 17, and no factor is repeated. 7 15 31 57 All Number except 57 can be expressed as the Power of 2 minus 1 7=23-1 15=24-1 31=25-1