1.

In an aeroplane, the total number of seats in a row is the greatest number that will divide 53, 83, 98, 188 and 233 so as to leave the same remainder. The total number of rows is 42. Find the maximum number of persons who can travel in the aeroplane?

A. 800
B. 360
C. 630
D. 720
E. 840
Answer» D. 720


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