1.What Is the Currency of Qatar?
- The official currency of Qatar is the Qatari Riyal. The Central Bank of Qatar issues these currencies. The subunit of Qatari Riyal is Dirham.
- This currency is called QR. 3.64 QR is equal to 1 USD.
- Until 1966 the official currency of Qatar was the Indian rupee.

2.Why Do Different Countries Have Different Currencies?
- Different governments rule different countries.
- Governments earn revenues from other countries through foreign currencies as they have different values.
- The countries can print their currency and stick to a fixed exchange rate.

3.What Is the Currency of Japan?
- The national currency of Japan is the Japanese Yen. The subunit of Yen is Sen.
- The yen is the third strongest currency after US Dollar and Euro.
- 1 Yen is equal to 0.59 Indian Rupees and 0.0073 US Dollars.
- The Bank of Japan issues this currency.

4.Why Do Indian Currency Notes Have Note Numbers?
- The Reserve Bank of India prints notes with note numbers.
- It acts as a serial number used to track the currency.
- The same set of notes is identified and cancelled if any printing mistake occurs.
