If it is possible to make a number which is the square of a two-digit odd number using the second, the fourth and the sixth digits of the number 93217648 and using each only once. Which of the following that two-digit odd number?
T
E
P
17
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If * stands for ‘addition’, / stands for ‘subtraction’, + stands for ‘multiplication’, and – stands for ‘division’, then 20*8/8-4+2 = ?