Question : Directions: In the following question, select the related number from the given alternatives.
5 : 30 :: 7 : ?
Option 1: 54
Option 2: 50
Option 3: 49
Option 4: 56
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Correct Answer: 56
Solution :
Given:
5 : 30 :: 7 : ?
Here, multiply the first number by its successor to obtain the second number.
Like, 5 : 30→5 × (5 + 1) = 5 × 6 = 30
Similarly, 7 : ?→7 × (7 + 1) = 7 × 8 = 56
So, 7 is related to 56. Hence, the fourth option is correct.
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