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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

NASA currently has plans to have a man on Mars sometime in the 2030s, While ESA plans to do so also around the same time. Here "2030s" is referred to as

A. first quarter of 20th century
B. second quarter of 20th century
C. second quarter of 21 th century
D. third quarter of 20 th century
E. third quarter of 21th century
সঠিক উত্তরঃ C. second quarter of 21 th century
Explanation: