Answer: C) Japan Explanation: Japan's - Japan Aerospace Exploration Agency (JAXA) has successfully launched the world's smallest rocket with the ability to put a tiny satellite into orbit. Rocket -  SS-520 which was pnce failed in 2017 lifted off from the Space Center carrying a microsatellite TRICOM-1R, a three-unit CubeSat weighing about 3 kilograms. The CubeSat will now be used to collect images of the Earth's surface via multiple cameras.

Answer: A) a multi barrel rocket launcher developed by DRDO Explanation: 1. Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army. 2. The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds. 3. The system is mounted on a Tatra truck for mobility. 4. Actually, the meaning of Pinaka is Shiv Dhanush.

Answer: B) China Explanation: China has been by far the biggest coal producing country over the last three decades. The country produced about 3.6 billion tonnes (Bt) of coal in 2012 accounting for over 47% of the world's total coal output.

Answer: D) Odisha Explanation: 12 year old Padmalaya Nanda from Odisha has created history by becoming the youngest girl to bag the two "Little Miss Universe Internet 2017" and "Little Miss Actress" crowns at the 'Little Miss Universe-2017' at port city of Batumi in Georgia. Padmalaya Nanda, who studies in the 8th standard at a school in Cuttack, Odisha, bagged the crowns at the finale of the little Universe 2017, held at port city of Batumi in Georgia on June 4, 2017.

Answer: B) United Arab Emirates Explanation: The President and Vice-President of United Arab Emirates Sheik Mohamed bin Zayed Al Nahyan and Shaik Mohammed bin Rashid Al Maktoum announced in Febraury 2017 that they are planning to build the first inhabitable human settlement on Mars by 2117.

Answer: B) Lakshya Sen Explanation: India's Lakshya Sen has become the World No 1 Junior Badminton player. He achieved the distinction in the latest rankings of the Badminton World Federation (BWF). Fifteen-year-old is the first shuttler from Uttarakhand to attain the numero uno spot at the international level. Lakshya, who is considered as the shining future star of Indian badminton, moved ahead of Chia Hao Lee of the Chinese Taipei, to attain the top spot. According to BWF current rankings, Lakshya has 16,903 points in eight tournaments he has played in the season. Chia Hao, who is at the second spot, has 16,091 points.

Answer: D) USA Explanation: 1. US Navy commissioned world’s largest aircraft carrier, USS Gerald R Ford into the fleet. The commissioning ceremony was held at Naval Station Norfolk, Virginia in presence of US President Donald Trump. 2. USS Gerald R. Ford is the first ship in this new class of nuclear-powered aircraft carriers for the U.S. Navy. The ship is named after the 38th President of the United States Gerald Ford and has been built by Newport News Ship Building Company. The massive 1,106-foot-long carrier is powered by two new generation nuclear reactors.

Answer: B) Chennai or Madras Explanation: Chennai port is known for its Coastal breakwater, artificial, large seaport type of harbor. Chennai Port, formerly known as Madras Port, is the second largest container port of India, behind the Nhava Sheva Port, and the largest port in the Bay of Bengal. It is the third oldest port among the 13 major ports of India