A profit of rs 84 is divided between a and b in the ratio of 1/3 : 1/4. What will be the difference of their profits? Rs. 8 rs. 9 rs. 12 rs. 1
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(1/3)+(1/4)=84
4a+3b=84
acc. to que
a=b
7a= 84
a=12
4a = 48
3b=36
differences between there profit is =12Rs
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