Converse, inverse or contrapositive of a conditional statement in words

1. A.
   If 3 is odd then it is a prime number.
2. B.
   If 3 is not a prime number then 3 is even.
3. C.
   If 3 is a prime number then 3 is even.
4. D.
   If 3 is not a prime number then 3 is not odd.

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1. A.
   If a man is judge, then he is honest.
2. B.
   If a man is not judge, then he is not honest.
3. C.
   If a man is honest, then he is judge.
4. D.
   If a man is not honest then, he is not judge.

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1. A.
   If the squares of two numbers are not equal, then the numbers are equal.
2. B.
   If the squares of two numbers are equal, then the numbers are not equal.
3. C.
   If the squares of two numbers are equal, then the numbers are equal.
4. D.
   If the squares of two numbers are not equal, then the numbers are not equal.

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1. A.
   If the squares of two numbers are equal, then the numbers are not equal.
2. B.
   If the squares of two numbers are not equal, then the numbers are equal.
3. C.
   If the squares of two numbers are not equal, then the numbers are not equal.
4. D.
   If the squares of two numbers are equal, then the numbers are equal.

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1. A.
   If both x and y are odd integers, then xy is odd.
2. B.
   If both x and y are even integers, then xy is even.
3. C.
   If x or y is an odd integer, then xy is odd.
4. D.
   If both x and y are not odd integers, then the product xy is not odd.

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1. A.
   If the surface area does not increase, then the pressure does not decrease.
2. B.
   If the pressure decreases, then the surface area increases.
3. C.
   If the pressure does not decrease, then the surface area does not increase.
4. D.
   If the surface area does not increase, then the pressure decreases.

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1. A.
   Statement 2 is contrapositive of statement 1.
2. B.
   Statement 2 is negation of statement 1.
3. C.
   Statement 2 is inverse of statement 1.
4. D.
   Statement 2 is the converse of statement 1.

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1. A.
   Three vertices of a triangle are represented by cube roots of unity and the triangle is not an equilateral triangle.
2. B.
   If a triangle is an equilateral triangle then the three vertices of a triangle are represented by cube roots of unity.
3. C.
   If three vertices of triangle are not represented by cube roots of unity then the triangle is not an equilateral triangle.
4. D.
   If a triangle is not an equilateral triangle then the three vertices of the triangle cannot be represented by cube roots of unity.

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1. A.
   p, q and r, s
2. B.
   p, r and q, s
3. C.
   p, s and q, r
4. D.
   no pair having same meaning

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1. A.
   (i) and (iv), (ii) and (iii)
2. B.
   (i) and (iii), (ii) and (iv)
3. C.
   (i) and (ii), (iii) and (iv)
4. D.
   (i) and (iii), (i) and (iv)

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