Practice Questions: Classification- 5 | Logical Reasoning for CLAT PDF Download

Directions: In this type of questions, certain numbers are given, out of which all except one share some common property and hence are alike, while one is different and this number is to be chosen as the answer.

Q1: Choose the number which is DIFFERENT from the rest?
(a) 28
(b) 45
(c) 72
(d) 81
Ans: (a)
In all other numbers, the sum of the digits is 9.
Hence, option (a) is correct.

Q2: Choose the number which is DIFFERENT from the rest?
(a) 246
(b) 356
(c) 527
(d) 639
Ans: (b)
In all other numbers, the sum of the first two digits is equal to the third digit.
Hence, option (b) is correct.

Q3: Choose the number which is DIFFERENT from the rest?
(a) 49
(b) 63
(c) 77
(d) 81
Ans: (d)
Each of the numbers except 81 is divisible by 7.
Hence, option (d) is correct.

Q4: Choose the number which is DIFFERENT from the rest?
(a) 140
(b) 240
(c) 360
(d) 480
Ans: (a)
Each of the numbers except 140 is a multiple of 120.
Hence, option (a) is correct.

Q5: Choose the number which is DIFFERENT from the rest?
(a) 21
(b) 69
(c) 81
(d) 83
Ans: (c)
81 is the only perfect square number in the group.
Hence, option (c) is correct.

Q6: Choose the number which is DIFFERENT from the rest?
(a) 6895
(b) 6958
(c) 7948
(d) 9783
Ans: (d)
In all other numbers, the sum of the digits is 28.
Hence, option (d) is correct.

Q7: Choose the number which is DIFFERENT from the rest?
(a) 150
(b) 175
(c) 200
(d) 250
Ans: (b)
Each of the numbers except 175 is an even multiple of 25.
Hence, option (b) is correct.

Q8: Choose the number which is DIFFERENT from the rest?
(a) 119
(b) 136
(c) 147
(d) 153
Ans: (a)
Only 119 has different factors, 7 and 17, and no factor is repeated.
Hence, option (a) is correct.

Q9: Choose the number which is DIFFERENT from the rest?
(a) 37
(b) 49
(c) 132
(d) 154
Ans: (a)
37 is the only prime number in the group.
Hence, option (a) is correct.

Q10: Choose the number which is DIFFERENT from the rest?
(a) 232
(b) 431
(c) 612
(d) 813
Ans: (d)
In all other numbers, the product of the digits is 12.
Hence, option (d) is correct.