Odd One Out (SSC CHSL 2023 Tier – 1) (Part

Total Questions: 50

11. The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. [SSC CHSL 03/08/2023 (1st Shift)]

(a) 5 : 23
(b) 4 : 19
(c) 2 : 11
(d) 7 : 32

Correct Answer: (d) 7 : 32

Solution:Logic:
(1st number × 4) + 3 = 2nd number
5 : 23 → (5 × 4) + 3 = 20 + 3 = 23
3 : 15 → (3 × 4) + 3 = 12 + 3 = 15
4 : 19 → (4 × 4) + 3 = 16 + 3 = 19
2 : 11 → (2 × 4) + 3 = 8 + 3 = 11
But, 7 : 32 → (7 × 4) + 3 = 28 + 3 = 31 (NOT 32)

12. Select the option in which the numbers do NOT share the same relationship as that shared by the given pairs of numbers. [SSC CHSL 03/08/2023 (2nd Shift)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)

4 : 75 and 2 : 19

(a) 3 : 38
(b) 7 : 354
(c) 6 : 212
(d) 5 : 136

Correct Answer: (c) 6 : 212

Solution:Logic: (1st number)³ + 11 = 2nd number
4 : 75 → (4)

+ 11 = 64 + 11 = 75

2 : 19 : − (2) + 11 = 8 + 11 = 19

But,
6 : 212 : − (6) + 11 = 216 + 11 = 227 (Not 212)

13. Four number pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 03/08/2023 (2nd Shift)]

(a) 15 - 225
(b) 19 - 361
(c) 9 - 81
(d) 4 - 64

Correct Answer: (d) 4 - 64

Solution:Logic:
(1st number)² = (2nd number)
15 : 225 → (15)² = 225
19 : 361 → (19)² = 361
9 : 81 → (9)² = 81
But, 4 : 64 → (4³) = 64

14. Select the word-pair that does not represent a similar relationship to the one expressed in the pair of words given below. [SSC CHSL 03/08/2023 (3rd Shift)]

(The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.)

Rapidly : Swiftly

(a) Obtain : Procure
(b) Distress : Trouble
(c) True : Correct
(d) Idle : Active

Correct Answer: (d) Idle : Active

Solution:Rapidly is the synonym of Swiftly but Idle is the antonym of Active.
So Idle : Active is the word-pair that does not represent a similar relationship with the question pair.

15. Four terms have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 03/08/2023 (3rd Shift)]

(a) TVD
(b) FHP
(c) LNV
(d) KMV

Correct Answer: (d) KMV

Solution:

16. Three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 03/08/2023 (4th Shift)]

(a) XVU
(b) TQP
(c) CAZ
(d) KIH

Correct Answer: (b) TQP

Solution:

17. Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 03/08/2023 (4th Shift)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)

(a) 7 - 56
(b) 9 - 90
(c) 4 - 20
(d) 6 - 48

Correct Answer: (d) 6 - 48

Solution:Logic: (1st number) × (1st number + 1) = 2nd number
7 : 56 → (7) × (7 + 1) = (7) × (8) = 56
9 : 72 → (9) × (9 + 1) = (9) × (10) = 90
4 : 20 → (4) × (4 + 1) = (4) × (5) = 20
But, 6 : 48 → (6) × (6 + 1) = (6) × (7) = 42 (Not 48)

18. Four terms have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 04/08/2023 (1st Shift)]

(a) LNT
(b) GJP
(c) BDJ
(d) TVB

Correct Answer: (b) GJP

Solution:

19. Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 04/08/2023 (1st Shift)]

(a) 11 - 120
(b) 13 - 168
(c) 15 - 224
(d) 18 - 325

(a) 4
(b) 1
(c) 2
(d) 3

Correct Answer: (a) 4

Solution:Logic:
(1st number)² - 1 = 2nd number
(11)² - 1 = 120
(13)² - 1 = 168
(15)² - 1 = 224
(18)² - 1 = 323, and not 325.

20. Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 04/08/2023 (1st Shift)]

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)

(a) 21 : 182
(b) 11 : 92
(c) 17 : 146
(d) 31 : 284

Correct Answer: (d) 31 : 284

Solution:Logic:
(1st number) × 9 - 7 = 2nd number
(11) × 9 - 7 = 92
(17) × 9 - 7 = 146
(21) × 9 - 7 = 182
But,
(31) × 9 - 7 = 279 - 7 = 272 (not 284)

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Odd One Out (SSC CHSL 2023 Tier – 1) (Part – I)

11. The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. [SSC CHSL 03/08/2023 (1st Shift)]

12. Select the option in which the numbers do NOT share the same relationship as that shared by the given pairs of numbers. [SSC CHSL 03/08/2023 (2nd Shift)]

13. Four number pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 03/08/2023 (2nd Shift)]

14. Select the word-pair that does not represent a similar relationship to the one expressed in the pair of words given below. [SSC CHSL 03/08/2023 (3rd Shift)]

15. Four terms have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 03/08/2023 (3rd Shift)]

16. Three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 03/08/2023 (4th Shift)]

17. Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 03/08/2023 (4th Shift)]

18. Four terms have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 04/08/2023 (1st Shift)]

19. Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? [SSC CHSL 04/08/2023 (1st Shift)]

20. Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different. [SSC CHSL 04/08/2023 (1st Shift)]

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