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Number Puzzles - Questions with Answers for SSC Exam | Page-3

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Download in pdf Number Puzzles reasoning aptitude questions and answers. These verbal reasoning ability solved objective questions with explanations are helpful in preparation for competitive exams like SSC, UPSC, CAT interview etc.
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Find the missing term in each of the following:

(15)

[A] 25
[B] 36
[C] 49
[D] 64
Answer: Option [B]
Solution:

[(5 - 3) + (5 - 2)]2 = [2 + 3]2 = 25

Hence, missing term = [(7 - 2) + (4 - 3)]2 = [5 + 1]2 = 36

(16)

[A] 10
[B] 9
[C] 8
[D] 7
Answer: Option [C]

Solution:

(6 × 2) + 1 = 13

(9 × 2) + 1 = 19

Hence, missing number = (8 × 2) + 1 = 17

(17)

[A] 23
[B] 26
[C] 20
[D] 29
Answer: Option [A]

Solution:

7 × (7 - 1) = 42 ⇒ 42 + 3 = 45

4 × (4 - 1) = 12 ⇒ 12 + 3 = 15

6 × (6 - 1) = 30 ⇒ 30 + 3 = 33

8 × (8 - 1) = 56 ⇒ 56 + 3 = 59

3 × (3 - 1) = 6 ⇒ 6 + 3 = 9

Hence, missing number = 5 × (5 - 1) = 20 ⇒ 20 + 3 = 23

(18)

[A] 130
[B] 142
[C] 128
[D] 138
Answer: Option [D]

Solution:

(111 + 25) - (43 + 35) = 136 - 78 = 58

So, the missing term = (48 + 180) - (34 + 56) = 228 - 90 = 138

(19)

[A] 18
[B] 36
[C] 86
[D] 96
Answer: Option [B]

Solution:

We have (6 - 4)2 = 22 = 4

(8 - 5)2 = 32 = 9

(9 - 2)2 = 72 = 49

So, the missing number = (12 - 6)2 = 62 = 36

(20)

[A] 819
[B] 791
[C] 899
[D] 550
Answer: Option [A]

Solution:

(21)

[A] 21
[B] 11
[C] 29
[D] 19

Answer: Option [D]

Solution:

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