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Number Analogy - Logical Reasoning Puzzles | Math Puzzles with Answers

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Select the related numbers/letters/words from the given alternatives.

(1) 3 : 81 :: 6 : ?
[A] 36
[B] 750
[C] 1096
[D] 1296
Answer: Option [D]
Solution:

As, 34 = 81

Similarly, 64 = 1296

(2) 441 : 462 :: 841 : ?
[A] 800
[B] 830
[C] 870
[D] 890
Answer: Option [C]

Solution:

441 = 212

462 = 441 + 21

841 = 292

870 = 841 + 29

(3) 210 : 6 :: ? : 5
[A] 120
[B] 110
[C] 130
[D] 125
Answer: Option [A]

Solution:

6

63 - 6 = 210

5

53 - 5 = 120

(4) 35 : 53 :: 56 : ?
[A] 50
[B] 60
[C] 65
[D] 70
Answer: Option [C]

Solution:

To interchange the digit of the number we have found

35 → 53

56 → 65

(5) 14 : 195 :: 21 : ?
[A] 420
[B] 440
[C] 460
[D] 480
Answer: Option [B]

Solution:

As, 142 - 1 = 195

Similarly, 212 - 1 = 440

(6) 213 : 300 :: 170 : ?
[A] 227
[B] 237
[C] 247
[D] 257
Answer: Option [D]

Solution:

As, 213 + 87 = 300

Similarly, 170 + 87 = 257

(7) 5 : 130 :: ? : 1010
[A] 10
[B] 12
[C] 15
[D] 20

Answer: Option [A]

Solution:

As, 53 + 5 = 130

Similarly, 103 + 10 = 1010

(8) 43 : 1 :: 52 : ?
[A] 1
[B] 2
[C] 3
[D] 4

Answer: Option [C]

Solution:

As, 43 : 1 ⇒ 4 - 3 = 1

Similarly, 52 : 3 ⇒ 5 - 2 = 3

(9) 176 : 14936 :: 549 : ?
[A] 3546
[B] 4571
[C] 25784
[D] 251681

Answer: Option [D]

Solution:

As, 176 ⇒ 12 | 72 | 62 = 14936

Similarly, 549 ⇒ 52 | 42 | 92 = 251681

(10) 20 : 7980 :: 12 : ?
[A] 1520
[B] 1716
[C] 4520
[D] 4886

Answer: Option [B]

Solution:

As, 203 - 20 = 7980

Similarly, 123 - 12 = 1716

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