EASY
9th West Bengal Board
IMPORTANT
Earn 100

State whether e is a rational or an irrational number. If irrational, then what  type of irrational number? Show that the two numbers obtained by adding 1 and subtracting 1 to e are also irrational numbers and their difference is a rational number.

Important Questions on Real Numbers

EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
Which one of the given numbers is not a real number?
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
Which one of the given numbers is a non-real number?
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
If the natural numbers, the integers, the rational numbers and the real numbers are denoted by N,Z,Q,R respectively, then which one of the given statements is correct?
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
The set of real numbers is the collection of
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
The conjugate of a+b, where b is a non-perfect square, is
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
If p+q=r+s, then 
MEDIUM
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
If p+q=0, then 
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 1 - Real Numbers>EXERCISE-1.4>Q 1
In between two real numbers on the number line