Correct Answer - Option 3 : TRUST
The logic followed is:
Given word |
Options |
Uncommon letters |
Formation |
TRANSPORT
|
SPORT |
All letter are present
|
Can be formed |
TRANSPORT |
STRAP |
All letter are present
|
Can be formed |
TRANSPORT |
TRUST |
U letter is missing
|
Cannot be formed |
TRANSPORT
|
START |
All letter are present
|
Can be formed |
Thus only TRUST words cannot be formed using the given word.
Hence, the correct answer is "TRUST".