Odd One Out (Varieties Questions)

Total Questions: 29

21. Select the letter-cluster that is different. [S.S.C CHSL 12/08/2021 (Afternoon)]

(a) PTZW
(b) MQWT
(c) FJPM
(d) TXDB

Correct Answer: (d) TXDB

Solution:The pattern followed here is :

Hence, TXDB is the correct answer.

22. Which of the given options is NOT an example of a number triad with the following properties? [S.S.C CHSL 26/10/2020 (Evening)]

The second number is the square of the first number
The third number is the cube of the first number

(a) (11, 121, 1331)
(b) (17, 289, 4913)
(c) (13, 169, 2197)
(d) (12, 144, 1728)

Correct Answer: (a) (11, 121, 1331)

Solution:In option (a), the second property does not follow.

23. Select the one that is different. [S.S.C CHSL 14/10/2020 (Morning)]

(a) 32 - 45
(b) 13 - 16
(c) 16 - 30
(d) 12 - 15

Correct Answer: (c) 16 - 30

Solution:The logic followed here is :

1. (32 - 45) → Difference is 45 - 32 = 13

2. (16 - 30) → Difference is 30 - 16 = 14

3. (13 - 16) → Difference is 16 - 13 = 3

4. (12 - 15) → Difference is 15 - 12 = 3

The difference between all the number except 'option b' is the prime numbers or odd numbers while the difference between 30 and 16 is a composite or even number.

Hence, '16 -30' is the correct answer.

24. Select the number pair that is different from the rest. [S.S.C CGL 05/03/2020 (Afternoon)]

(a) 19 : 475
(b) 17 : 323
(c) 11 : 143
(d) 23 : 667

Correct Answer: (a) 19 : 475

Solution:The pattern followed here is :

(1st number) × (its next prime number) = 2nd number.
(a) (19 : 475) → 19 × 23 = 437 (odd one)
(b) (17 : 323) → 17 × 19 = 323
(c) (11 : 143) → 11 × 13 = 143
(d) (23 : 667) → 23 × 29 = 667

25. Eight words have been given, out of which seven are alike in some manner and one is different. Select the odd word. [S.S.C CGL 03/03/2020 (Afternoon)]

Monitor, Headphone, Mouse, Keyboard, Windows, Printer, Scanner, Speaker

(a) Mouse
(b) Printer
(c) Monitor
(d) Windows

Correct Answer: (d) Windows

Solution:Except 'Windows' all others are Hardware whereas 'Windows' being an operating system is a Software.

26. Select the number pair that is different from the rest. [S.S.C CPO 13/12/2019 (Evening)]

(a) 7 : 37
(b) 18 : 49
(c) 13 : 29
(d) 24 : 51

Correct Answer: (b) 18 : 49

Solution:The logic followed here is :

7 + 37 = 44 (non prime no.)
18 + 49 = 67 (prime no.)
13 + 29 = 42 (non prime no.)
24 + 51 = 75 (non prime no.)

Hence, '18 : 49' is the correct answer.

27. Select the odd word. [S.S.C CPO 13/12/2019 (Evening)]

(a) Mirth
(b) Morose
(c) Desolate
(d) Sad

Correct Answer: (a) Mirth

Solution:Sad, Desolate and Morose means being unhappy or feeling lonely.

Whereas,

Mirth is amusement, especially expressed in laughter.

Hence, Mirth is the correct answer.

28. Choose out the odd one. [S.S.C CPO 11/12/2019 (Morning)]

(a) 761 : 617 : 176
(b) 416 : 641 : 461
(c) 236 : 325 : 263
(d) 189 : 198 : 819

Correct Answer: (c) 236 : 325 : 263

Solution:The pattern followed here is :

Option 1 → 1, 6 and 7 are the three numbers use to form the different combinations of the given numbers.

Option 2 → 1, 4 and 6 are the three numbers use to form the different combinations of the given numbers.

Option 3 → 2, 3, 5 and 6 are the four numbers use to form the different combinations of the given numbers.

Option 4 → 1, 8 and 9 are the three numbers use to form the different combinations of the given numbers.

In all the number pairs only three numbers are used, except in '236 : 325 : 263'

Hence, "236 : 325 : 263" is the odd group.

29. Find the odd one out. [S.S.C MTS 09/08/2019 (Evening)]

(a) 63 : 3906
(b) 15 : 210
(c) 18 : 306
(d) 37 : 1331

Correct Answer: (d) 37 : 1331

Solution:The pattern followed here is :

(1^stNumber)² - (1^stNumber) = (2^ndNumber)

a. (63 : 3906) → 63² - 63 = 3906
b. (15 : 210) → 15² - 15 = 210
c. (18 : 306) → 18² - 18 = 306
d. (37 : 1331) → 37² - 37 = 1332 ≠ 1331

Hence, (37 : 1331) is the correct answer.

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Odd One Out (Varieties Questions)

21. Select the letter-cluster that is different. [S.S.C CHSL 12/08/2021 (Afternoon)]

22. Which of the given options is NOT an example of a number triad with the following properties? [S.S.C CHSL 26/10/2020 (Evening)]

23. Select the one that is different. [S.S.C CHSL 14/10/2020 (Morning)]

24. Select the number pair that is different from the rest. [S.S.C CGL 05/03/2020 (Afternoon)]

25. Eight words have been given, out of which seven are alike in some manner and one is different. Select the odd word. [S.S.C CGL 03/03/2020 (Afternoon)]

26. Select the number pair that is different from the rest. [S.S.C CPO 13/12/2019 (Evening)]

27. Select the odd word. [S.S.C CPO 13/12/2019 (Evening)]

28. Choose out the odd one. [S.S.C CPO 11/12/2019 (Morning)]

29. Find the odd one out. [S.S.C MTS 09/08/2019 (Evening)]

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