Rajasthan Police Constable 8 Nov 2020 Shift 2

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Question : 11 of 150
 
Marks: +1, -0
In the given equations, the function of ★ remains unchanged. What number will come in place of question mark (?) in the fourth equation?
I. \text"4★"3=15 
II. \text"7★"3=24
III. \text"6★"5=33
IV. \text"9★"2=?
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