Which of the following Delhi sultans introduced two coins, namely silver tanka and copper jital?

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Accepted Answer

Step-by-step explanation:

1. Historical fact: Shams-ud-din Iltutmish (reign: $1211$–$1236$) is credited with standardizing Delhi Sultanate coinage.
2. Coin types: He introduced the silver "tanka" as the main silver coin and the copper "jital" as the subsidiary copper coin.
3. Why others are incorrect:
   - Qutbuddin Aibak (option a) preceded Iltutmish and did not introduce this specific standardized pair.
   - Ghiyasuddin Balban (option c) and Bahlul Lodi (option b) came later and did not originate the tanka–jital system.

Therefore the correct answer is Iltutmish (option d).

FINAL_ANSWER: d

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