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the answer given by abhi3_raj is correct.
but the calculation can be done in an easier way.
there are 5! total possible cases.
in half of these cases , E will be after U (e.g. NESVU ) and in the other half , U will be after E ( i.e. NUSVE)
so required no. of cases is 5! / 2 = 120 /2 = 60
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Moderation Team
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