Answer is A Explanation:- Explanation: The Rig Veda is the earliest of the four Vedas and it consists of 1028 hymns. The hymns were sung in praise of various gods. The Yajur Veda consists of various details of rules to be observed at the time of sacrifice. The Sama Veda is set to tune for the purpose of chanting during the sacrifice. It is called the book of chants and the origins of Indian music are traced in it. The Atharva Veda contains details of rituals.

Answer is D Explanation:- Qatar ceased to be a member of the Organisation of the Petroleum Exporting Countries from January 1, 2019.