# A and B react and 1/2 remains after 25 mins and 1/4th remains after 50 mins....

###### Question:

A and B react and 1/2 remains after 25 mins and 1/4th remains after 50 mins. if you double B and keep A 1st order it makes this reaction
a) Zero Order in both
b) second in A and 1st in B
c) First in A and 2nd in B
d) First in both
e) second in both

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