Which of the following State (s) of India is/are share (s) border with 3 countries?

1. Sikkim
2. Arunachal Pradesh
3. West Bengal

Select the correct answer using the codes given below:

Which of the following river (s) is/are antecedent origin?

1. Alaknanda
2. Gandak
3. Kosi

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Which of the following is/are correctly matched?

         Pass           :    Significance

1. Zoji la (Pass) : Connects Srinagar to Leh
2. Banihal Pass : Satluj River flows through this Pass
3. Nathu la (Pass) : Chumbi River flows through this Pass

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The Gersoppa falls is located in which of the following state?

Consider the following statements regarding the Dharwar Rock System:

1. These are the oldest sedimentary rocks.
2. The Aravali mountain range has been made with these rocks.

Which of the statements given above is/are correct?