Missing Number (SSC CHSL 2021 Tier -1)

Total Questions: 29

1. Find the missing number? [S.S.C CHSL 24/05/2022 (Evening)]

Correct Answer: (d) 129
Solution:The pattern followed here is :

First row → 3³ + 4² ⇒ 27 + 16 = 43

Second row → 6³ + 5² ⇒ 216 + 25 = 241

Similarly,

Third row → 2³ + 11² ⇒ 8 + 121 = 129

Hence, "129" is the correct answer.

2. Find the missing number? [S.S.C CHSL 24/05/2022 (Evening)]

Correct Answer: (d) 37
Solution:The pattern followed here is :

[{(1st number + 2nd number) × 4} + 4] = Third number

In row first → [{(9 + 21) × 4} + 4] ⇒ {(30 × 4) + 4} ⇒ 120 + 4 = 124

In row second → [{(11 + 25) × 4} + 4] ⇒ {(36 × 4) + 4} ⇒ 144 + 4 = 148
Similarly,

In row third → [{(17 + 37) × 4} + 4] ⇒ {(54 × 4) + 4} ⇒ 216 + 4 = 220

Hence, "37" is the correct answer.

3. Find the missing number? [S.S.C CHSL 25/05/2022 (Morning)]

Correct Answer: (d) 129
Solution:The pattern followed here is :

For first row → 2³ + 7² ⇒ 8 + 49 = 57

For second row → 6³ + 3² ⇒ 216 + 9 = 225

Similarly,

For third row → 5³ + 2² ⇒ 125 + 4 = 129

Hence, "129" is the correct answer.

4. Find the missing number? [S.S.C CHSL 25/05/2022 (Afternoon)]

Correct Answer: (c) 120
Solution:The pattern followed here is :

(a, b, c) → {(a × b) × 5} = c

(3, 2, 30) → {(3 × 2) × 5} ⇒ 6 × 5 = 30,

(7, 5, 175) → {(7 × 5) × 5} ⇒ 35 × 5 = 175

Similarly,

(4, 6, ?) → {(4 × 6) × 5} ⇒ 24 × 5 = 120

Hence, "120" is the correct answer.

5. Find the missing number? [S.S.C CHSL 26/05/2022 (Morning)]

Correct Answer: (c) 88
Solution:The pattern followed here is :

(a, b, c) → {(a × 4) - 2} = b, {(b × 2) + 4} = c

(13, 50, 104) → {(13 × 4) - 2} = 50, {(50 × 2) + 4} = 104

(18, 70, 144) → {(18 × 4) - 2} = 70, {(70 × 2) + 4} = 144

Similarly,

(11, 42, ?) → {(11 × 4) - 2} = 42, {(42 × 2) + 4} = 88

Hence, "88" is the correct answer.

6. Find the missing number? [S.S.C CHSL 26/05/2022 (Evening)]

Correct Answer: (b) 41
Solution:The pattern followed here is :

2a + b = c
For first row → {(2 × 17) + 26} ⇒ 34 + 26 = 60

For second row → {(2 × 8) + 15} ⇒ 16 + 15 = 31

For third row → {(2 × 11) + 19} ⇒ 22 + 19 = 41

Hence, "41" is the correct answer.

7. Find the missing number? [S.S.C CHSL 27/05/2022 (Afternoon)]

Correct Answer: (d) 55
Solution:The pattern followed here is :

{(a × b) + (a + b)} = c

In first row → {(5 × 6) - (5 + 6)} ⇒ (30 - 11) = 19

In second row → {(7 × 7) + (7 + 7)} ⇒ (49 - 14)  = 35

In third row → {(8 × 9) + (8 + 9)} ⇒ (72 - 17) = 55

Hence, "55" is the correct answer.

8. Find the missing number? [S.S.C CHSL 27/05/2022 (Evening)]

Correct Answer: (d) 102
Solution:The pattern followed here is :

{(a × b) ÷ 2} = c

In first row → {(24 × 9) ÷ 2} ⇒ 216 ÷ 2 = 108

In second row → {(38 × 5) ÷ 2} ⇒ 190 ÷ 2 = 95

In third row → {(12 × 17) ÷ 2} ⇒ 204 ÷ 2 = 102

Hence, "102" is the correct answer.

9. Find the missing number? [S.S.C CHSL 31/05/2022 (Afternoon)]

Correct Answer: (d) 132
Solution:The pattern followed here is :

(a, b, c) → a - 23 = b & b - 23 = c

In 1st row → 187 - 23 = 164 & 164 - 23 = 141

In 2nd row → 215 - 23 = 192 & 192 - 23 = 169

In 3rd row → 178 - 23 = 155, 155 - 23 = 132

Hence, "132" is the correct answer.

10. Find the missing number? [S.S.C CHSL 01/06/2022 (Morning)]

Correct Answer: (a) 184
Solution:The pattern followed here is :

{(1st num × 4) - 2} = 2nd num & {(2nd num × 2) + 4} = 3rd num

(9, 34, 72) → {(9 × 4) - 2} = 34 and {(34 × 2) + 4} ⇒ 68 + 4 = 72

(7, 26, 56) → {(7 × 4) - 2} ⇒ 28 - 2 = 26 and {(26 × 2) + 4} ⇒ 52 + 4 = 56

Similarly,

(23, 90, ?) → {(23 × 4) - 2} ⇒ 92 - 2 = 90 and {(90 × 2) + 4} ⇒ 180 + 4 = 184

Hence, "184" is the correct answer.