Question :
Directions: In the following question, select the related number from the given alternatives.
7 : 42 :: 9 : ?
Option 1: 64
Option 2: 72
Option 3: 46
Option 4: 80
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Correct Answer: 72
Solution :
Given:
7 : 42 :: 9 : ?
The pattern is as follows –
Like, 7 : 42→7 × (7 – 1) = 7 × 6 = 42
Similarly, follow the same pattern for 9 : ?→9 → 9 × (9 – 1) = 9 × 8 = 72
So, 9 is related to 72. Hence, the second option is correct.
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