Discussion

Explanation:

Let Ashok, Bashir, Chirag and Deepak have amounts Rs. A, Rs. B, Rs. C and Rs. D respectively. From the data given in the question, we have following equations.

A < 3B                                     ... (i)

C > B                                       ... (ii)

D = C − B                                ... (iii)

A = 3D                                     ... (iv)

Chirag borrows Rs. 300 from Ashok and buys a jacket worth Rs. 1000.

∴ C ≥ 700                               ... (v)

Bashir buys a sweater after borrowing Rs. 100 from Ashok and left with no money.

∴ B = 500                               ... (vi)

Ashok buys 3 shirts (costing Rs. 600 in total) with Rs. A − 300 − 100

∴ A ≥ 1000

From (i) and (vi), we get,

A < 1500

∴ 1000 ≤ A < 1500                ... (vii)

From equation (iv) and (vii), we get,

333 < D < 500

∴ Deepak could buy a shawl worth Rs. 400.

Hence, option (b).

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