Series (SSC CHSL 2021 Tier – 1)

Total Questions: 51

1. 78, 112, 64, ?, 50, 140 [SSC CHSL 24/05/2022 (Morning)]

Correct Answer: (b) 126
Solution:

2. XUR, WTQ, VSP, URO, ? [SSC CHSL 24/05/2022 (Morning)]

Correct Answer: (b) TQN
Solution:

3. ANGE, DSBB, GXWY, ? [SSC CHSL 24/05/2022 (Morning)]

Correct Answer: (d) JCRV
Solution:For first letter of each word:
A + 3 โ†’ D, D + 3 โ†’ G, G + 3 โ†’ J

For second letter of each word:
N + 5 โ†’ S, S + 5 โ†’ X, X + 5 โ†’ C

For third letter of each word:
G - 5 โ†’ B, B - 5 โ†’ W, W - 5 โ†’ R

For fourth letter of each word:
E - 3 โ†’ B, B - 3 โ†’ Y, Y - 3 โ†’ V

Hence, we get JCRV.

4. 286, 303, 320, 371, 422, 507, ? [SSC CHSL 24/05/2022 (Afternoon)]

Correct Answer: (b) 592
Solution:

5. S_OZQTLO_QU_O_QVLOZ_ [SSC CHSL 24/05/2022 (Afternoon)]

Correct Answer: (a) L Z I Z Q
Solution:First letter of the sequence follows +1 pattern:
S L O Z Q / T L O Z Q / U L O Z Q / V L O Z Q

6. DRBZ, ABKX, ?, UVCT, RFLR [SSC CHSL 24/05/2022 (Afternoon)]

Correct Answer: (d) XLTV
Solution:

7. WFBI, UCWB, SZRU, ? [SSC CHSL 24/05/2022 (Evening)]

Correct Answer: (a) QWMN
Solution:

8. 19, 38, 35, ?, 135, 810 [SSC CHSL 24/05/2022 (Evening)]

Correct Answer: (d) 140
Solution:

9. 11, 13, 29, 91, 369, ? [SSC CHSL 25/05/2022 (Morning)]

Correct Answer: (b) 1851
Solution:

10. ABZ_PAB_KPABXK_AB_KP [SSC CHSL 25/05/2022 (Morning)]

Correct Answer: (c) KYPW
Solution:A B Z K P / A B Y K P / A B X K P / A B W K P
Logic: In the third letter of each part:
Z - 1 โ†’ Y, Y - 1 โ†’ X, X - 1 โ†’ W