Question : Directions: In the following question, select the related number from the given alternatives.
24 : 15 :: 63 : ?
Option 1: 56
Option 2: 38
Option 3: 58
Option 4: 48
Correct Answer: 48
Solution :
Given:
24 : 15 :: 63 : ?
Like, 24 : 15→5
2
– 1 = 25 – 1 = 24; 4
2
– 1 = 16 – 1 = 15
Similarly, for 63 : ?→8
2
– 1 = 64 – 1 = 63; 7
2
– 1 = 49 – 1 = 48
So, 63 is related to 48. Hence, the fourth option is correct.
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