Question : Directions: In the following question, select the related number from the given alternatives.
7 : 19 :: 10 : ?
Option 1: 25
Option 2: 30
Option 3: 21
Option 4: 23
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Correct Answer: 25
Solution :
Given:
7 : 19 :: 10 : ?
Like, (7 × 2) + 5 = 14 + 5 = 19
Similarly, (10 × 2) + 5 = 20 + 5 = 25
25 is related to 10. Hence, the first option is correct.
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