📘 Class 7 – Maths
Q. What are integers?
Ans: Positive, negative numbers and zero.
Q. Equivalent fractions?
Ans: Fractions with same value.
Q. What is variable?
Ans: Symbol representing value.
Q. Parallel lines?
Ans: Lines that never meet.
Q. Straight angle?
Ans: 180°
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. Define ratio. (Q305)
Ans: Ratio is the comparison of two quantities of the same kind.
Q. Define percentage. (Q406)
Ans: Percentage means a number out of 100.
Q. What are integers?
Ans: Integers include positive numbers, negative numbers and zero.
Q. What is additive identity?
Ans: Zero is the additive identity.
Q. What is subtraction of integers?
Ans: Subtraction means adding the additive inverse.
Q. What is a negative integer?
Ans: A number less than zero.
Q. Give example of integer.
Ans: -3 is an integer.
Q. What is a fraction?
Ans: A fraction represents part of a whole.
Q. What is a proper fraction?
Ans: Numerator is smaller than denominator.
Q. What is an improper fraction?
Ans: Numerator is greater than denominator.
Q. What is a mixed fraction?
Ans: Combination of whole number and fraction.
Q. What is decimal?
Ans: A fraction with denominator 10,100,1000 etc.
Q. What is an integer?
Ans: Whole numbers including negatives.
Q. Simple interest formula?
Ans: (P×R×T)/100
Q. What is percentage?
Ans: Number out of 100
Q. Perimeter of rectangle?
Ans: 2(l+b)
Q. Area of square?
Ans: side × side
Q. Mean of numbers?
Ans: Sum ÷ count
Q. What is algebra?
Ans: Math using letters
Q. Roman numeral of 50?
Ans: L
Q. What are integers?
Ans: Positive, negative numbers and zero.
Q. Equivalent fractions?
Ans: Fractions with same value.
Q. What is variable?
Ans: Symbol representing value.
Q. Parallel lines?
Ans: Lines that never meet.
Q. Straight angle?
Ans: 180°
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. What is a quadratic equation? (Class 7)
Ans: An equation of degree two is called a quadratic equation.
Q. Solve x² - 4 = 0 (Class 7)
Ans: The solutions are x = 2 and x = -2.
Q. State Pythagoras theorem. (Class 7)
Ans: Square of hypotenuse equals sum of squares of other two sides.
Q. Define ratio. (Q305)
Ans: Ratio is the comparison of two quantities of the same kind.
Q. Define percentage. (Q406)
Ans: Percentage means a number out of 100.