##
**Ex. No. 1.1 **

State which of the following sentences are statements. Justify your answer. In case of statements, Write down the truth value. [video]

- March is the month in English Calendar.
- May God bless you!
- The sum of interior angles of a quadrilateral is 3600.
- Every natural number is a real number.
- Is the car yellow in colour?
- Every quadratic equation has only real roots.
- √-4 is a rational number.
- x2 – 5x + 6 = 0 implies that x = - 2 or x = - 3
- The sum of cube roots of unit is one.
- Please, come here.
- He is a bad person.
- Two is the only even prime number.
- sin 3θ = 3 sinθ – 4 sin3θ , for all θ ∈ R.
- What a horrible sight it was!
- Do not come inside the room.
- x2 + 5x + 6 = 0 , x = -2.
- Can you speak in English?
- The square of every real number is Negative.
- It is blue in colour.
- Every rectangle is a square.