Q. A bullet train left for the New York at time y minutes after x hours and reached Canada z minutes after y hour on the same day, after travelling z hours and x minutes. How many possible values of x are there?
Ans - 2
But explain me?

Hi, From the given info we can say that z hour x minutes = y hour z minutes - x hours y minutes60z+x = 60y+z-60x-y59z+61x= 59 y .....1 Also z hour x minutes24 hour 60z+x24....2here we have 2 linear equation but variables are three so kindly recheck the question as it cannot be solved  

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