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Boys in a Row
Some boys are standing in a row, Suresh is 10th from right and Amar is seventh from left. If there are five boys in between Suresh and Amar, How many boys are there in the row?
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Pipes are laid by an oil company
Pipes are laid by an oil company. If the company has to lay down 3km of pipes and each pipe is 25 meters long, calculate and print the number of pipes needed to cober the distance