Questions

‘Sitting on the fence’ is the correct idiom used. It is used to describe a person’s lack of decisiveness, neutrality or hesitance to choose between two sides in an argument or a competition, or inability to decide due to lack of courage. Thus, the sentence is grammatically and contextually correct. Thus, the correct formation would be, ‘Decide one way or the other; you can’t be sitting on the fence forever’.

After the Mumbai attacks in 2008, there has been a paradigm shift in the maritime security apparatus that increased emphasis on surveillance, intelligence gathering and information sharing amongst the various stakeholders to ensure an effective response to any emerging situation. In Feb 2009, the Indian Coast Guard (ICG) was additionally designated as the authority responsible for coastal security in territorial waters, including areas to be patrolled by the Coastal Police.

The Coast Guard is also responsible for overall coordination between Central and State agencies in matters relating to Coastal Security.In order to achieve near gap-free surveillance of the entire coastline, 38 additional Radar Stations and 08 Mobile Surveillance Systems are being installed.

An ETF, or exchange-traded fund, is a marketable security that tracks an index, a commodity, bonds, or a basket of assets like an index fund.

•Unlike mutual funds, an ETF trades like a common stock on a stock exchange.

•ETFs experience price changes throughout the day as they are bought and sold.

•ETFs typically have higher daily liquidity and lower fees than mutual fund shares, making them an attractive alternative for individual investors.

If some action has started in the past and is still continuing, then present perfect continuous tense should be used instead of present continuous tense. So, the phrase ‘am living’ needs to be replaced with ‘have been living’ to make the sentence contextually correct. Thus, the correct formation would be, ‘I have been living in Bombay for the last ten years’.

Manoeuvre is correctly spelt which means series of moves requiring skill and care.

The given puzzle follows a pattern that,

Number - <last digit> <sum of all digits>.

111 - 13

112 - 24

113 - 35

So 

117 - 79