Question : Directions: In the following question, select the related number from the given alternatives.
10 : 101 :: 20 : ?
Option 1: 200
Option 2: 201
Option 3: 400
Option 4: 401
Answer (1)
21st Jan, 2024
Correct Answer: 401
Solution :
Given:
10 : 101 :: 20 : ?
Like, 10 : 101→10
2
+ 1 = 100 + 1 = 101
Similarly, for 20 : ?→20
2
+ 1 = 400 + 1 = 401
So, 20 is related to 401. Hence, the fourth option is correct.
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