Give the name of the tribe which is not related to the ‘Panchjana’ of the Rig Veda Aryans:

Which one of the following is not related to the Rigvedic period?

Which of the following rivers mentioned in the Rig Veda indicates the relations of Aryans with Afghanistan?

The ninth mandala of the Rig Veda is devoted wholly to:

The compilation of which among the following is based upon the Rig Veda?

Which Mandala of Rig Veda is completely dedicated to ‘Soma’?