5 Largest Libraries in the world

Answer: 

• British Library
• Library of the U.S. Congress
• Library and Archives, Canada
• The New York Public Library 
• Russian State Library 

Largest Public Library in the world

Answer: 

British Library is the largest library in the world!
According to British Library's  facts and figure,

• We receive a copy of every publication produced in the UK and Ireland
• The collection includes well over 150 million items, in most known languages
• 3 million new items are added every year
• We have manuscripts, maps, newspapers, magazines, prints and drawings, music scores, and patents
• The Sound Archive keeps sound recordings from 19th-century cylinders to CD, DVD and MD recordings
• We house 8 million stamps and other philatelic items
• All this requires over 625 km of shelves, and grows by 12 km every year
• If you see 5 items each day, it would take you over 80,000 years to see the whole of the collection
• The world's earliest dated printed book, the Diamond Sutra, is sometimes on display in our exhibition galleries alongside many other treasures
• We have on-site space for over 1,200 Readers
• Over 16,000 people use the collections each day (on site and online)
• Online catalogues, information and exhibitions can be found on this website
• We operate the world's largest document delivery service providing millions of items a year to customers all over the world
In depth
Access
• The British Library serves business and industry, researchers, academics and students, in the UK and world-wide
• Each year:
o Six million searches are generated by the British Library online catalogue
o Nearly 400,000 visit our Reading Rooms
• Over 100 million items have been supplied to users all over the world
Collections
Treasures include:
• Magna Carta
• Lindisfarne Gospels
• Leonardo da Vinci's Notebook
• The Times first edition from 18 March 1788
• Beatles manuscripts
• The recording of Nelson Mandela's Rivonia trial speech
Holdings include:
• Material over 3,000 years old (Chinese oracle bones) - and today's newspapers
• 310,000 manuscript volumes: from Jane Austen to James Joyce; Handel to the Beatles
• 60 million patents
• Over 4 million maps
• Over 260,000 journal titles
The building at St Pancras:
• The largest public building constructed in the UK in the 20th century
• The basements extend to a depth of 24.5 metres
• A total floor area of over 112,000 sq metres spread over 14 floors - 9 above ground, 5 below
• 10 million bricks and 180,000 tonnes of concrete were needed to complete the building
• Awarded grade I listed building status in August 2015
The buildings at Boston Spa
• Originally an ordnance factory
• Specifically designed for document delivery service processes
• Over 100km of shelving housing a collection devoted to interlibrary loan.

Source: http://www.bl.uk/aboutus/quickinfo/facts/

What is the world's smallest ocean?

Answer: 

The Arctic Ocean is the world's smallest ocean. 

According to National Oceanic and Atmospheric Administration,

"With an area of about 5.4 million square miles, the Arctic Ocean is about 1.5 times as big as the United States. It is bordered by Greenland, Canada, Norway, Alaska, and Russia. The average depth of the Arctic Ocean is 12,000 feet and it is 17,850 feet at its deepest point."

Source: https://oceanservice.noaa.gov/facts/smallestocean.html

Longest word in the dictionary

It has 45 letters!

Pronounciation: 

[noo-muh-noh-uhl-truh-mahy-kruh-skop-ik-sil-i-koh-vol-key-noh-koh-nee-oh-sis, nyoo-] 

What does it mean? An obscure term ostensibly referring to a lung diseasecaused by silica dust, sometimes cited as one of the longestwords in the English language. 

Source: http://www.dictionary.com/browse/pneumonoultramicroscopicsilicovolcanoconiosis

World's largest military spenders in 2016

Answer: 

USA 

"US military spending in 2016 was $611 billion—nearly 3 times as much as China's military spending, which was the second highest in 2016 at $215 billion. US military spending is larger than the next 8 biggest military spenders combined." 

-- According to Stockholm International Peace Research Institute (sipri)

Source: http://visuals.sipri.org/

First 10 world's most valuable companies in the world

According to CBS reporting, following companies are the world's most valuable brands: 

1. Apple ($184 billion)
2. Google ($141.7 billion)
3. Microsoft ($80 billion)
4. Coca-Cola ($69.7 billion)
5. Amazon ($64.8 billion)
6. Samsung ($56.2 billion)
7. Toyota ($50.3 billion)
8. Facebook ($48.2 billion)
9. Mercedes-Benz ($47.8 billion)
10. IBM ($46.8 billion)

Source: https://www.cbsnews.com/news/brands-most-valuable-in-the-world-interbrand/

What is the world's largest public company in the world?

ICBC is the largest public company in the world in 2017!

     summary: 

        Source: https://www.forbes.com/sites/corinnejurney/2017/05/24/the-worlds-largest-public-companies-2017/#2b31d670508d