Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ? Options:
A) 30 litres
B) 31 litres
C) 32 litres
D) 33 litres
E) 34 litres
403)713(1   403   ---------   310)403(1   310   ----------   93)310(3   279   --------   31)93(3   93   -------   X   so answer is 31 litres......   ANSWER:31 litres
<result>B</result>
Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ?