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Union Minister of State Dr Jitendra Singh launched India's first manned ocean mission Samudrayan at Chennai. With the launch of this Ocean Mission, India joins the elite club of 5 nations such as the USA, Russia, Japan, France and China to have such underwater vehicles for carrying out subsea activities. The Matsya 6000, the deep-sea vehicle under the Samudrayan initiative, is designed to carry three people in a titanium alloy personnel sphere of 2.1-metre diameter enclosed space. The mission is undertaken by the National Institute of Ocean Technology (NIOT) will be a part of the ₹6,000 crore Deep Ocean Mission.
In a certain code language,
‘A + B’ means ‘A is the mother of B’;
‘A − B’ means ‘A is the brother of B’;
Select the number from among the given options that can replace the question mark (?) in the following series.
61, 95, 138, 197, 279, ?
What approximate value will come in place of the question mark (?) in the following equation?
49.85 – 5.31 + 9.97 =?
Which is the one that does not belong to the group?