Missing Number (SSC CGL 2021 Tier -1)

1. Find the missing number? [SSC CGL 11/04/2022 (Afternoon)]

(a) 431
(b) 335
(c) 100
(d) 129

Correct Answer: (a) 431

Solution:Logic → By going row-wise:

(First number)³ - (Second number)² → Third number

(7)³ - (13)² → 174,
(9)³ - (25)² → 104
(11)³ - (30)² → 431

2. Find the missing number? [SSC CGL 11/04/2022 (Evening)]

(a) 30
(b) 53
(c) 25
(d) 45

Correct Answer: (a) 30

Solution:Logic (in row) →

6² + 18/3 → 36 + 6 → 42

Same way, 5+ 15/3 → 25 + 5 → 30

3. Find the missing number? [SSC CGL 12/04/2022 (Morning)]

(a) 13
(b) 22
(c) 18
(d) 25

Correct Answer: (a) 13

Solution:Logic (moving according to the column):
(sum of two numbers) × (difference of two numbers)

(14 + 11) × (14 - 11) → 75
(16 + 15) × (16 - 15) → 31
(13 + 9) × (13 - 9) → 88

4. Find the missing number? [SSC CGL 12/04/2022 (Evening)]

(a) 10
(b) 15
(c) 18
(d) 29

Correct Answer: (c) 18

Solution:Logic → Product of first two numbers and last two numbers of a column are equal.
For Column 1: 24 × 6 → 12 × 12
For Column 2: 36 × 3 → 2 × 54
Let asked number = y
For Column 3: 32 × y → 24 × 24, So, y → 18

5. Find the missing number? [SSC CGL 13/04/2022 (Afternoon)]

(a) 188
(b) 255
(c) 180
(d) 224

Correct Answer: (c) 180

Solution:(15 + 9) × (15 - 9) → 144
(18 + 12) × (18 - 12) → 180
(22 + 17) × (22 - 17) → 195

6. Find the missing number? [SSC CGL 13/04/2022 (Evening)]

(a) 153
(b) 157
(c) 155
(d) 151

Correct Answer: (a) 153

Solution:For first row:
5 × 16 → 80 → 80 - 3 → 77
For second row:
8 × 19 → 152 → 152 - 3 → 149
For third row:
13 × 12 → 156 → 156 - 3 → 153

7. Find the missing number? [SSC CGL 18/04/2022 (Morning)]

(a) 102
(b) 108
(c) 62
(d) 78

Correct Answer: (c) 62

Solution:Logic → [(a × b + (b ÷ 2)]
(12 × 8) + (8 ÷ 2) → 100
So (15 × 4) + (4 ÷ 2) → 62

8. Find the missing number? [SSC CGL 18/04/2022 (Afternoon)]

(a) 9
(b) 5
(c) 7
(d) 8

Correct Answer: (a) 9

Solution:Logic (in column) →
First num × (Second num + 1) = 3rd No.
7 × (3 + 1) → 28 → 9 × (8 + 1) → 81
5 × (x + 1) = 50, So x → 9

9. Find the missing number? [SSC CGL 18/04/2022 (Evening)]

(a) 23
(b) 13
(c) 19
(d) 7

Correct Answer: (a) 23

Solution:Logic → 15 × (14 - 10) = 60
19 × (18 - 10) → 152, 23 × (17 - 10) → 161

10. Find the missing number? [SSC CGL 19/04/2022 (Morning)]


	28			54			32
56	8	7	65	8	18	84	?	8
	14			13			12

(a) 9
(b) 11
(c) 10
(d) 8

Correct Answer: (b) 11

Solution: