IBPS RRB Officer Scale 1 Model Paper 6

Directions (Q. 26 - 30): In the following questions, the symbols @, $, ★, #, δ are used with the following meaning as illustrated below.
'P $ Q' means 'P is not smaller than Q'.
'P @ Q' means 'P is neither smaller than nor equal to Q'.
'P # Q' means 'P is neither greater than nor equal to Q'.
'P δ Q' means 'P is neither greater than nor smaller than Q'.
'P ★ Q' means 'P is not greater than Q'.
Now, in each of the following questions assuming the given statements to be true, find which of thefour Conclusions I, II, III and IV given below them is/ are definitely true and give your answer accordingly