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Hi bobbym,

The solution #1940 is perfect. Fantastic performance, bobbym!

#1941. Solve the following quadratic equation:

.Hi bobbym,

The solutions #5225 (roughly) and #5226 are correct. Marvelous, bobbym!

The solution #5225 I get is

#5227. The areas of two concentric circles forming a ring are 154 square centimeters and 616 square centimeters. Find the breadth of the ring.

#5228. A circular park has a path of uniform width around it. The difference between outer and inner circumferences of the circular path is 132 meters. Find its width.

Hi bobbym,

The Answers : Eugene Cernan (#5335) and Jackie Chan (#5336).

The Answer #5336 is correct. Good work, bobbym!

#5337. Name the Indian astrophysicist who ( October 19, 1910 – August 21, 1995), with William A. Fowler, was awarded the 1983 Nobel Prize for Physics for his mathematical theory of black holes, which was a key discovery that led to the currently accepted theory on the later evolutionary stages of massive stars. The limit is named after him.

#5338. Give the full name of the eldest child and heir apparent of Queen Elizabeth II ( born 14 November 1948). Known alternatively in Scotland as Duke of Rothesay and in South West England as Duke of Cornwall, he is the longest-serving heir apparent in British history, having held the position since 1952. He is also the oldest person to be next-in-line to the throne since 1714.

Hi bobbym,

The solution #1939 is perfect. Neat work, bobbym!

#1940. Solve the following quadratic equation: (The solution set contains irrational numbers)

.Hi bobbym,

The solution #1938 is perfect. Keep it up, bobbym!

#1939. Solve the following quadratic equation:

.Hi bobbym,

The solutions #5223 and #5224 are correct. Magnificent, bobbym!

(Use

)#5225. A circular ground whose diameter is 35 meters, has a 1.4 meter broad garden around it. What is the area of the garden in square meters?

#5226. A circular garden has a circumference of 440 meters. There is a 7 meter wide border inside the garden along its periphery. Find the area of the border in square meters.

Hi bobbym,

The Answer #5333 : Edward Cave

The Answer #5334 : Anders Celsius

The Answer #5334 is correct, bobbym! Excellent!

#5335. Name the retired American naval officer, fighter pilot and NASA astronaut (Born : born March 14, 1934). He has been into space three times: as pilot of Gemini 9A in June 1966; as lunar module pilot of Apollo 10 in May 1969; and as commander of Apollo 17 in December 1972, the final Apollo lunar landing.

#5336. Name the Hong Kong actor, action choreographer, comedian, director, producer, martial artist, screenwriter, entrepreneur, singer, and stunt performer (Born : 7 April 1954). In his movies, he is known for his acrobatic fighting style, comic timing, use of improvised weapons, and innovative stunts. He is one of the few actors to have performed all of his film stunts. He has been acting since the 1960s and has appeared in over 150 films.

Hi bobbym,

The solution #1937 is perfect. Neat work!

#1938. Solve the following quadratic equation:

.Hi bobbym,

The solution #5221 is perfect, Excellent, bobbym!

#5223. The wheel of a motorcycle, 70 centimeters in diameter, makes 40 revolutions in every 10 seconds. What is the speed of the motorcycle in kilometers per hour?

#5224. Find the diameters of a wheel that makes 113 revolutions to go 2 kilometers 26 decameters.

Hi bobbym,

The solution #1936 is perfect. Magnificent, bobbym!

#1937. Solve the following quadratic equation:

.Hi bobbym,

The Answers : #5331 - Pedro Álvares Cabral and #5332 - Albert Camus.

#5333. Name the English printer, editor and publisher (27 February 1691 – 10 January 1754). In *The Gentleman's Magazine* he created the first general-interest "magazine" in the modern sense.

#5334. Name the Swedish astronomer, physicist and mathematician (27 November 1701 – 25 April 1744). He was professor of astronomy at Uppsala University from 1730 to 1744, but traveled from 1732 to 1735 visiting notable observatories in Germany, Italy and France. He founded the Uppsala Astronomical Observatory in 1741, and in 1742 proposed a temperature scale which bears his name.

Hi bobbym,

The solution #1935 is perfect. Marvelous, bobbym!

#1936. Solve the following quadratic equation:

.Hi bobbym,

The solution #1934 is perfect. Excellent, bobbym!

#1935. Solve the following quadratic equation:

.Hi bobbym,

The solutions #5219 and #5220 are perfect. Remarkable, bobbym!

#5221. The radius of a wheel is 0.25 meter. Find the number of revolutions it will make to travel a distance of 11 kilometers.

#5222. The wheel of an engine

meters in circumference makes 7 revolutions in 9 seconds. Find the speed of the train in kilometers per hour.Hi bobbym,

The Answers #5329 and #5330 are correct. Fantastic performance, bobbym!

#5331. Name the Portuguese nobleman, military commander, navigator and explorer regarded as the discoverer of Brazil (c. 1467 or 1468 – c. 1520).

#5332. Name the French-Algerian Nobel Prize winning author, journalist, and philosopher (7 November 1913 – 4 January 1960). His views contributed to the rise of the philosophy known as absurdism. His works include *The Stranger (L'Étranger, often translated as The Outsider)* (1942), *The Plague (La Peste)* (1947), *The Fall (La Chute)* (1956), *A Happy Death (La Mort heureuse)* (written 1936–38, published posthumously 1971) and *The First Man (Le premier homme)* (incomplete, published posthumously 1995).

Hi bobbym,

The solution #1933 is perfect. Brilliant, bobbym!

#1934. Solve the following quadratic equation:

.Hi bobbym,

The solution #1932 is perfect. Keep it up, bobbym!

#1933. Solve the following quadratic equation:

.Hi bobbym,

The solutions are 2:3 and 14:11 respectively (#5217 and #5218).

#5219. The diameter of a wheel is 1.26 meters. How far will it travel in 500 revolutions?

#5220. What is the number of revolutions of a wheel of diameter 40 centimeters makes in traveling a distance of 176 meters?

Hi bobbym,

The Answers : #5327 - Samuel Butler and #5328 - Richard Evelyn Byrd. Splendid, bobbym!

#5329. Name the Scottish poet and lyricist (25 January 1759 – 21 July 1796). He is widely regarded as the national poet of Scotland and is celebrated worldwide. He is the best known of the poets who have written in the Scots language, although much of his writing is also in English and a light Scots dialect, accessible to an audience beyond Scotland. He also wrote in standard English, and in these writings his political or civil commentary is often at its bluntest. His songs that remain well known across the world today include "A Red, Red Rose"; "A Man's a Man for A' That"; "To a Louse"; "To a Mouse"; "The Battle of Sherramuir"; "Tam o' Shanter"; and "Ae Fond Kiss".

#5330. Name the British poet and a leading figure in the Romantic movement (22 January 1788 – 19 April 1824). Among his best-known works are the lengthy narrative poems *Don Juan* and *Childe Harold's Pilgrimage* and the short lyric *She Walks in Beauty*. He is regarded as one of the greatest British poets and remains widely read and influential.

Hi thepipersson1980,

**Welcome to the forum!**

Hi Denominator,

The solutions #5124 and #5126 are correct. Marvelous!

#5127. If the ratio of two circles is 4:9, then what will be the ratio of their circumferences?

#5218. The perimeter of a circle is equal to the perimeter of a square. Then, what is the ratio of their area?

Hi Denominator,

The solution #1931 is perfect. Remarkable, Denominator!

#1932. Solve the following quadratic equation:

.Hi bobbym,

The Answers : #5325 - Gautama Buddha and #5326 - Edmund Burke.

The Answer #5325 is correct. Excellent, bobbym!

#5327. Name the iconoclastic Victorian-era English author (4 or 5 December 1835 – 18 June 1902) who published a variety of works. Two of his most famous pieces are the Utopian satire Erewhon and a semi-autobiographical novel published posthumously, The Way of All Flesh. He is also known for examining Christian orthodoxy, substantive studies of evolutionary thought, studies of Italian art, and works of literary history and criticism.

#5328. Name the American naval officer who specialized in feats of exploration (25 October 1888 – 11 March 1957). He was a pioneering American aviator, polar explorer, and organizer of polar logistics. Aircraft flights, in which he served as a navigator and expedition leader, crossed the Atlantic Ocean, a segment of the Arctic Ocean, and a segment of the Antarctic Plateau. He claimed that his expeditions had been the first to reach the North Pole and the South Pole by air.

Hi bobbym,

The Answers : #5323 - Robert Boyle and #5324 - math Brandt.

The Answer #5323 is correct. Good work, bobbym!

#5325. Name the sage who in the Shakya republic in the Himalayan foothills, he is believed to have lived and taught mostly in eastern India sometime between the sixth and fourth centuries BCE. The word Buddha means "awakened one" or "the enlightened one." "Buddha" is also used as a title for the first awakened being in an era.

#5326. Name the Irish statesman born in Dublin (12 January 1729[1] – 9 July 1797); author, orator, political theorist and philosopher, who, after moving to England, served for many years in the House of Commons of Great Britain as a member of the Whig party. He is mainly remembered for his support of the cause of the American Revolutionaries, and for his later opposition to the French Revolution. The latter led to his becoming the leading figure within the conservative faction of the Whig party, which he dubbed the "Old Whigs", in opposition to the pro–French Revolution "New Whigs", led by Charles James Fox.

Hi bobbym,

The solution #1930 is perfect. Remarkable, bobbym!

#1931. Solve the following quadratic equation:

.