Question : Directions: In the following question, select the related number from the given alternatives.
42 : 20 :: 64 : ?
Option 1: 31
Option 2: 32
Option 3: 33
Option 4: 34
Answer (1)
16th Jan, 2024
Correct Answer: 31
Solution :
Given:
42 : 20 :: 64 : ?
Subtract 2 from the first number and then divide it by 2 to obtain the second number of each pair.
Like, 42 : 20→(42 – 2) ÷ 2 = 40 ÷ 2 = 20
Similarly, follow the same pattern for 64 : ?→(64 – 2) ÷ 2 = 62 ÷ 2 = 31
So, 64 is related to 31 . Hence, the first option is correct.
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