Question : Directions: In the following question, select the related number from the given alternatives.
23 : 29 :: 41 : ?
Option 1: 43
Option 2: 45
Option 3: 47
Option 4: 49
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Correct Answer: 43
Solution :
Given:
23 : 29 :: 41 : ?
Prime numbers between 20 and 45 – 23, 29, 31, 37, 41, 43
Like, 23 : 29→Consecutive prime number after 23 is 29.
Similarly, follow the same pattern for 41 : ?→Consecutive prime number after 41 is 43.
So, 41 is related to 43. Hence, the first option is correct.
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