Answer is B) shawl.
How?
Given data:
I |
II |
III |
IV |
A |
A<3B |
A = 3D |
A=A-300-100 |
B |
|
|
B=B+100 >> B=0 |
C |
C>B |
C=C+300 |
|
D |
D=|B-C| |
|
|
NOW, each have to buy at least one shirt, or one shawl, or one sweater, or one jacket that are priced Rs. 200, Rs. 400, Rs. 600, and Rs. 1,000 a piece, respectively.
|
Price |
Who bought? |
Shirt |
200 |
3 shirts by A |
Shawl |
400
|
|
Sweater |
600 |
B |
Jacket |
1000 |
C |
So, after anlysing above tables, conclusion is : D has less than 500 Rs. so he can either buy shirt or shawl. the costiest is shawl. HEnce the answer.