Q1: What are imaginary numbers?
Answer: If the square of a given number is negative then such a number is called an imaginary number.
Q2: Name the mathematician who was the first to introduce the symbol i (iota) for square root of -1.
Answer: Euler.
Q3: Evaluate i⁹ + i¹⁹
Fill in the blanks with suitable words:
1. The stars, the planets, the moon and many other objects in the sky are called _________ objects.
2. The various shapes of the bright part of the moon as seen during a month are called ________ of the moon.
3. The moon is visible due to reflected ________.
Q1: A linear equation of two variables x and y can be represented as ax + by = c, where a, b, and c are:
(A) Rational numbers
(B) Irrational numbers
(C) Integers
(D) Real Numbers
Q2: The graph of the equation of the form y = kx is a line which?
(A) May pass through the origin.
(B) Always passes through the origin.
(C) Will not pass through origin
(D) Will be parallel to x-axis
Fill in the following sentences with suitable words from the given list.
Constitution, Discrimination, Disharmony, Eight, Equality, Fundamental, Prejudices, Secular, Stereotype, Untouchability
1. ________ means to judge other people negatively or see them as inferior.
2. When we fix people into one image we create a ___________.
Multiple Choice Based Questions
Q1: Who is the author of 'The Adventures of Toto'?
(a) Evelyn Glennie
(b) Ruskin Bond
(c) R. K. Laxman
(d) O. Henry
Q1: Name the mathematician, was the first person to introduce the concept of a matrix? Define matrix.
Answer: Arthur Cayley in 1857
A matrix is an ordered rectangular array of numbers or functions. The numbers or functions are called the elements or the entries of the matrix.
Q2: Give examples of domains where matrices based applications are widely used.
Answer: Matrices is one of the most important and powerful tools in mathematics which has found its way into various disciplines like Engineering, Economics, Statistics, Physics, Chemistry, Commerce etc.
