self Maths Puzzle

A man walks 2 km north then he turns right n walks for 1 km and turns left and continues for three more km. Now he turn right and walks for another km followed by another right turn and 2 kilometers. Find the distance and direction of his final position with respect to his starting point.

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self Other Question

Josh and Freak can separately do a piece of work in 8 and 13 days respectively. If they decide to work on alternate days with Freak starting on a Monday, in how many days will they be able to finish 2 such pieces of work?

Note: Sunday is Holiday
how many zeros's are there in a series of 1*2*3*4*...........*333