1) On 4 June 2018 India received its cheapest LNG under a long-term deal from which country? – Russia
Explanation: India got first of its cheapest liquefied natural gas (LNG) consignment from Russia at a delivered price of close to $7 per million British thermal unit (mmBtu) on 4 June 2018.
2) Who was appointed as the fourth deputy governor of Reserve Bank of India (RBI) by the Union Government on 4 June 2018? - Mahesh Kumar Jain
Explanation: The government on 4 June 2018 appointed IDBI Bank CEO Mahesh Kumar Jain as the fourth deputy governor of Reserve Bank of India (RBI), filling up a post that had been lying vacant for almost a year.
3) What is the name of the active volcano in Guatemala that erupted on 3 June 2018 resulting in death of at least 60 persons? - Volcán de Fuego
Explanation: Volcán de Fuego (which means "Volcano of Fire" in Spanish) is one of the most active volcanoes in the world and is located 44 kilometres from Guatemala City, the capital of central American country Guatemala. The volcano started erupting in the noon of 3 June 2018.
4) Maruti Suzuki India Ltd. achieved which landmark car production figure during June 2018? - 20 million units
Explanation: Suzuki Motor Corporation (Japan) on 4 June 2018 disclosed that it has achieved cumulative automobile production of 20 million units in India. With this, India became the second country after Japan where Suzuki has reached this milestone. The company crossed this milestone in India with the newly launched Swift produced at the Gujarat plant.