Question : Directions: In the following question, select the one which is different from the other three alternatives.
Option 1: 16
Option 2: 56
Option 3: 128
Option 4: 2
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Correct Answer: 56
Solution :
Let's check the options –
First option:
16; 2
4
= 16; 16 can be expressed as a power of 2.
Second option:
56; 56 cannot be expressed as a power of 2.
Third option:
128; 2
7
= 128; 128 can be expressed as a power of 2.
Fourth option:
2; 2
1
= 2; 2 can be expressed as a power of 2.
So, the second option is different from the other three options as 56 cannot be expressed as a power of 2. Hence, the second option is correct.
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