General Awareness · History
Famous Personalities and Discoveries
2,561 Questions
Famous personalities and discoveries questions test your knowledge of historical figures, scientists, and their groundbreaking inventions. These are highly scoring topics in SSC, banking, and state PSC general awareness sections. Solve these questions to memorize important contributions easily.
Famous astronomersFathers of scientific fieldsHistorical inventorsMathematical pioneers
Famous Personalities and Discoveries Questions
Which mathematician is known for his work on the theory of probability?
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Thomas Bayes
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Pierre-Simon Laplace
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Joseph-Louis Lagrange
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Leonhard Euler
A
Correct answer
Explanation
Thomas Bayes is renowned for his contributions to probability theory, particularly Bayes' theorem, which provides a method for updating beliefs in light of new evidence.
Who is credited with formulating the Euler-Lagrange equation?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Pierre-Louis de Maupertuis
A
Correct answer
Explanation
Leonhard Euler derived the Euler-Lagrange equation, a fundamental equation in the calculus of variations, in his 1744 work, "Methodus inveniendi lineas curvas maximi minimive proprietate gaudentes."
Which mathematician is known for his work on the theory of numbers?
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Leonhard Euler
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Pierre-Simon Laplace
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Joseph-Louis Lagrange
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Carl Friedrich Gauss
D
Correct answer
Explanation
Carl Friedrich Gauss made significant contributions to number theory, including his work on prime numbers and the distribution of primes.
Which mathematician is known for his work on the theory of elasticity?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Charles-Augustin de Coulomb
D
Correct answer
Explanation
Charles-Augustin de Coulomb made significant contributions to the theory of elasticity, particularly in his study of the torsion of wires.
Who is credited with developing the concept of the generating function?
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Leonhard Euler
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Pierre-Simon Laplace
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Joseph-Louis Lagrange
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Abraham de Moivre
D
Correct answer
Explanation
Abraham de Moivre introduced the concept of the generating function in his 1730 work, "Miscellanea Analytica."
Which mathematician is known for his work on the theory of differential equations?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Jean le Rond d'Alembert
D
Correct answer
Explanation
Jean le Rond d'Alembert made significant contributions to the theory of differential equations, including his work on the wave equation.
Who is credited with developing the concept of the Fourier series?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Jean-Baptiste Joseph Fourier
D
Correct answer
Explanation
Jean-Baptiste Joseph Fourier introduced the Fourier series, a mathematical tool used to represent periodic functions, in his 1822 work, "Théorie analytique de la chaleur."
Which mathematician is known for his work on the theory of complex numbers?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Caspar Wessel
D
Correct answer
Explanation
Caspar Wessel made significant contributions to the theory of complex numbers, including his work on the geometric representation of complex numbers.
Who is credited with developing the concept of the method of least squares?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Adrien-Marie Legendre
D
Correct answer
Explanation
Adrien-Marie Legendre introduced the method of least squares, a statistical method used to find the best-fit line or curve to a set of data, in his 1805 work, "Nouvelles méthodes pour la détermination des orbites des comètes."
Which mathematician is known for his work on the theory of determinants?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Pierre-Simon Laplace
C,D
Correct answer
Explanation
Pierre-Simon Laplace made significant contributions to the theory of determinants, including his work on the Laplace expansion.
Who is credited with developing the concept of the Cauchy-Riemann equations?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Augustin-Louis Cauchy
D
Correct answer
Explanation
Augustin-Louis Cauchy introduced the Cauchy-Riemann equations, a system of partial differential equations that characterize holomorphic functions, in his 1825 work, "Mémoire sur les intégrales définies."
Which mathematician is known for his work on the theory of groups?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Évariste Galois
D
Correct answer
Explanation
Évariste Galois made significant contributions to the theory of groups, including his work on the Galois group of a polynomial.
Who is credited with developing the concept of the Riemann zeta function?
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Leonhard Euler
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Joseph-Louis Lagrange
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Pierre-Simon Laplace
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Bernhard Riemann
D
Correct answer
Explanation
Bernhard Riemann introduced the Riemann zeta function, a function of a complex variable that has applications in number theory and other areas of mathematics, in his 1859 paper, "Über die Anzahl der Primzahlen unter einer gegebenen Grösse."
Who is considered the father of judicial review?
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Alexander Hamilton
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James Madison
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John Marshall
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Thomas Jefferson
C
Correct answer
Explanation
John Marshall is considered the father of judicial review due to his opinion in Marbury v. Madison, which established the principle of judicial review in the United States.
Who is considered the father of modern cartography?
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Gerardus Mercator
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Abraham Ortelius
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Claudius Ptolemy
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John Harrison
A
Correct answer
Explanation
Gerardus Mercator was a Flemish cartographer who is credited with creating the Mercator projection, which is still widely used today for navigation and mapping.