बिहार की निम्नलिखित नदियों पर विचार कीजिए: 1. कोसी 2. बागमती 3. पुनपुन इनमें से कौन सी नदियाँ गंगा नदी में मिलने से पहले उत्तर से दक्षिण की ओर बहती हैं?

With reference to the river systems of Bihar, consider the following statements: 1. Most rivers of North Bihar originate in the Himalayas. 2. These rivers carry a high sediment load leading to frequent course changes. 3. South Bihar rivers are largely perennial and glacier-fed. Which of the statements given above is/are correct?

Which of the following rivers does NOT join the Ganga river from the southern side in Bihar?