Greenfields Public School Education Facilitator Interview Questions and Answers for Experienced

Around Twenty questions were given.

A general topic was given and discussion went for twenty minutes.

Q1. What is meant by equation?
Ans. 
An equation is a mathematical statement that shows the equality of two expressions, typically with an unknown variable.
• An equation consists of an equal sign (=) between two mathematical expressions.

• It often includes variables, constants, and mathematical operations like addition, subtraction, multiplication, and division.

• Solving an equation involves finding the value of the variable that makes the equation true.

• Example...read more
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Q2. What's rational number?
Ans. 
A rational number is a number that can be expressed as a fraction of two integers.
• Rational numbers include integers, fractions, and terminating or repeating decimals.

• Examples of rational numbers are 1/2, -3, 0.75, and 0.3333...

• Rational numbers can be positive, negative, or zero.
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Q3. What is the equation of a circle?
Ans. 
The equation of a circle is (x - h)^2 + (y - k)^2 = r^2, where (h, k) is the center of the circle and r is the radius.
• The general form of the equation of a circle is (x - h)^2 + (y - k)^2 = r^2

• The center of the circle is represented by the point (h, k)

• The radius of the circle is denoted by r

• For example, the equation of a circle with center at (2, -3) and radius 5 is (x - 2)^2 + (y + 3)^2 = 25
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Q4. What is the difference between equation and algebric expression?
Ans. 
An equation is a statement asserting the equality of two expressions, while an algebraic expression is a combination of variables, constants, and mathematical operations.
• Equation has an equal sign, while algebraic expression does not.

• Equation can be solved to find the value of the variable, while algebraic expression cannot.

• Example of equation: 2x + 3 = 7. Example of algebraic expression: 3x + 5.
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