While living in which Ashram did a person have to perform the rituals of Panch Mahayagya?

Which of the following Gods is referred to as 'Ritasya Gopa' in the Rigveda?

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?

At the banks of which of the following rivers was the Battle of Ten Kings fought in the Early Vedic Period?

Which of the following Vedas is divided into two branches as Krishna and Shukla ?