A sold an article to B at 25% profit. B sold it to C at a profit of 10% and C sold it to D at 40% loss. If D boughtit for ₹46.20, then the difference between the profits of A and B is:
Let the A's CP=x
A's SP=1.25x
B's CP=1.25x
B's SP=1.1*1.25x
C's CP=1.1*1.25x
C's SP=0.6*1.1*1.25x
D's CP=0.6*1.1*1.25x=46.20
0.825x=46.20
x=46.20/0.825
x=Rs 56
A's profit=0.25x=56/4=14
B's profit=0.125x=7
Difference=14-7=Rs 7
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