Series (SSC CHSL 2021 Tier – 1)

Total Questions: 50

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

Correct Answer: (b) 126
Solution:The pattern followed here is :

Hence, "126" is the correct answer.

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

Correct Answer: (b) TQN
Solution:The pattern followed here is :

Hence, "TQN" is the correct answer.

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

Correct Answer: (d) JCRV
Solution:The pattern followed here is :

For first letter of each word:
A + 3 = D, D + 3 = G, G + 3 = J

For second letter of each word:
N + 5 = S, S + 5 = X, X + 5 = C

For third letter of each word:
G - 5 = B, B - 5 = W, W - 5 = R

For fourth letter of each word:
E - 3 = B, B - 3 = Y, Y - 3 = V

Hence, we get JCRV

Hence, "JCRV" is the correct answer.

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

Correct Answer: (b) 592
Solution:The pattern followed here is :

Hence, "592" is the correct answer.

5. S _ OZQTLO _ QU _ O _ QVLOZ _ [S.S.C CHSL 24/05/2022 (Afternoon)]

Correct Answer: (a) L Z L Z Q
Solution:The pattern followed here is :

First letter of the sequence follows +1 pattern:

L Z L Z Q โ†’ S L O Z Q / T L O Z Q / U L O Z Q / V L O Z Q

Hence, "L Z L Z Q" is the correct answer.

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

Correct Answer: (d) XLTV
Solution:The pattern followed here is :

Hence, "XLTV" is the correct answer.

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

Correct Answer: (a) QWMN
Solution:The pattern followed here is :

Hence, "QWMN" is the correct answer.

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

Correct Answer: (d) 140
Solution:The pattern followed here is :

Hence, "140" is the correct answer.

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

Correct Answer: (b) 1851
Solution:The pattern followed here is :

Hence, "1851" is the correct answer.

10. ABZ _ PAB _ KPABXK _ AB _ KP [S.S.C CHSL 25/05/2022 (Morning)]

Correct Answer: (c) KYPW
Solution:The pattern followed here is :

In the third letter of each part:
Z - 1 โ†’ Y, Y - 1 โ†’ X, X - 1 โ†’ W

KYPW โ†’ A B Z K P / A B Y K P / A B X K P / A B W K P

Hence, "KYPW" is the correct answer.