Converse
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Q. If P and Q are two statements, then which of the following compound statements is a tautology?
- ((P⇒Q)∧∼Q)⇒P
- ((P⇒Q)∧∼Q)⇒∼P
- ((P⇒Q)∧∼Q)⇒(P∧Q)
- ((P⇒Q)∧∼Q)⇒Q
Q. The converse of the contrapositive of the conditional statement ∼p→q is
- p→∼q
- q→p
- p→q
- ∼q→p
Q. Converse of the statement " If nth term of a sequence is linear then sequence is in A.P."is
- If a sequence is not in A.P. then its nth term is linear
- If a sequence is in A.P. then its nth term is not linear
- If a sequence is in A.P. then its nth term is linear
- If a sequence is not in A.P. then its nth term is not linear.
Q. If P and Q are two statements, then which of the following compound statements is a tautology?
- ((P⇒Q)∧∼Q)⇒P
- ((P⇒Q)∧∼Q)⇒∼P
- ((P⇒Q)∧∼Q)⇒(P∧Q)
- ((P⇒Q)∧∼Q)⇒Q
Q. The converse of the contrapositive of the conditional p→∼q is.
- p→q
- ∼q→p
- ∼p→q
- ∼p→∼q
Q. The converse of the contrapositive of the conditional p→∼q is :
- p→q
- ∼p→∼q
- ∼p→q
- ∼q→p
Q. Write converse of statement. In ΔABC, if AB=AC then ∠C=∠B.
Q. The converse of "if in a triangle ABC, AB>AC, then ∠C=∠B", is
- lf in a triangle ABC, ∠C=∠B, then AB>AC.
- lf in a triangleABC, AB≄AC, then ∠C≄∠B.
- lf in a triangle ABC, ∠C≄∠B, then AB≄AC.
- lf in a triangle ABC, ∠C≄∠B, then AB>AC.
Q. Which of the following is the converse of the statement: "If x>4 then x+2>5"?
- If x+2<5 then x<4
- If x is not greater than 4 then x+2 is not greater than 5
- If x+2>5 then x>4
- If x+2 is not greater than 5 then x is not greater than 4
Q. The converse of p⇒q, is
- q⇒p
- ∼p⇒∼q
- ∼q⇒∼p
- p⇒q
Q. Write the converse and contrapositive of the following statement:
If x+3=9, then x=6.
If x+3=9, then x=6.
Q. Write the converse and contrapositive of each of the following:
If a positive integer n is divisible by 9, then the sum of its digits is divisible by 9
If a positive integer n is divisible by 9, then the sum of its digits is divisible by 9
Q. Statement the converse and contrapositive of each of the following statements:
A positive integer is prime only if it has no divisors other than 1 and itself.
A positive integer is prime only if it has no divisors other than 1 and itself.
Q. Write the converse of the following statement. If the sum of measures of angles in a figure is 180∘, then the figure is a triangle.
Q. The converse of the statement "if p<q, then p−x<q−x" is :
- If p−x>q−x, then p>q
- If p>q, then p−x>q−x
- If p<q, then p−x>q−x
- If p−x<q−x, then p<q
Q. Which of the following statements is the contrapositive of "If a polygon has four sides, then it is called a quadrilateral."?
- If a polygon is called a quadrilateral, then it has four sides.
- If a polygon is not called a quadrilateral, then it does not have four sides
- If a polygon does not have four sides, then it is not called a quadrilateral.
- None of these
Q. Converse of the statement " If nth term of a sequence is linear then sequence is in A.P."is
- If a sequence is not in A.P. then its nth term is linear
- If a sequence is in A.P. then its nth term is not linear
- If a sequence is in A.P. then its nth term is linear
- If a sequence is not in A.P. then its nth term is not linear.
Q. Write the converse, inverse and contrapositive of the following statement :
A family becomes literate if the women in it are literate.
A family becomes literate if the women in it are literate.
Q. Write converse , inverse and contrapositive of the following statements.
If voltage increases then current decreases.
If voltage increases then current decreases.
Q. Write the converse of the following statement. If the corresponding angles formed by a transversal of two lines are congruent then the two lines are parallel.
Q. Write the converse and contrapositive of each of the following:
If the two lines are parallel, then they do not intersect in the same plane.
If the two lines are parallel, then they do not intersect in the same plane.
Q. The converse of "If x has courage, then x will win", is
- If x wins, then x has courage.
- If x has no courage, then x will not win.
- If x will not win, then x has no courage.
- If x will not win, then x has courage.