Recent questions in Mathematical Reasoning

What is the contradiction of the statement: In $\Delta ABC,\: if\: AB=AC$ , then angles $C=B$ ?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement, Rashmi is tall, and therefore, she is slim?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement, If it rains, the humidity increases?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Indicate the Premise2 in the following Premise1: All integers less than zero are negativenumbers. Conclusion : y is a negative number.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which is a false statement?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following is a true statement?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which counter example cannot be used to show that the statement, if n is an odd integer then n is prime is false?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following statements do not convey the same meaning as, If a natural number is even then its square is also even?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following statements do not convey the same meaning as, If a triangle is equiangular then it is an obtuse angled triangle.?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the contrapositive of the statement, If 2 is the only even prime number then 6 is divisible by 3.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the contrapositive of the statement, If 2 lines are intersecting then they are not parallel.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the converse of the statement: If x is a prime number then x is even.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the converse of the statement: If a parallelogram is a square then it is a rhombus?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which statement represents the inverse of the statement "If it is snowing, then Skeeter wears a sweater."?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The statement: 5 divides 20 if 5 divides -20, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The statement: 24 is divisible by 6 if 25 is a multiple of 5, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The statement: A rectangle is a square if all the 4 sides are equal, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of: For every real number $x ,x \gt x+2$ ?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

In which of the following statements is the OR inclusive?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

In which statement is the OR exclusive?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

If $t$ and $c$ denote a tautology and a contradiction respectively, then for any statement $p, p \wedge t$ is equal to

asked Jan 20, 2014 by thanvigandhi_1

1 answer

If p : Nidhi is a girl and q : Anurag is a boy, then the statement: Nidhi is a girl and Anurag is a boy, is written in symbols as

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of: Ram is in class X or Rashmi is in class XII?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

"If Deb and Sam go to the mall, then it is snowing." Which statement below is logically equivalent?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

If Susan does not like spinach, what is the truth value of the statement "Susan likes ice cream and she like spinach."?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The sentence "____ if and only if $x + x = 3x$ " is TRUE. Which of the following could be used to fill in the blank?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The sentence "____ if and only if $x + x = 3x$ " is TRUE. Which of the following could be used to fill in the blank?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which is logically equivalent to "If today is Sunday, Matt cannot play hockey."?

asked Jan 18, 2014 by thanvigandhi_1

1 answer

Which statement is logically equivalent to "If Yoda cannot use a lightsaber, then he cannot help Luke win the battle."

asked Jan 18, 2014 by thanvigandhi_1

1 answer

"If Tom buys a red skateboard, then Amanda buys green in-line skates." Which statement below is logically equivalent?

asked Jan 18, 2014 by thanvigandhi_1

1 answer

Mary says "The number I am thinking is divisible by 2 or it is divisible by 3". This statement is false if the number Mary is thinking of is

asked Jan 18, 2014 by thanvigandhi_1

1 answer

The statement "If x is divisible by 8, then it is divisible by 6" is false if x equals

asked Jan 18, 2014 by thanvigandhi_1

1 answer

Which of the following options indicate the correct contrapositive and converse respectively of the Statement- “Something is cold implies that it has cold temperature.”

asked Jan 18, 2014 by thanvigandhi_1

1 answer

Given the following statement: Some pins are clips. Some clips are pens. Now, consider the claims: C1 :Some pins are pens and C2: No pin is a pen. Now, mark according to the rules - i) Mark A if C1 is true, ii) Mark B if C2 is true,iii) Mark C if neither C1 nor C2 is true and iv) Mark D if both C1 and C2 are true.

asked Jan 18, 2014 by balaji.thirumalai

1 answer

Which of the following options indicate the correct contrapositive and converse respectively of the Statement: If x is a prime number, then x is odd.

asked Jan 18, 2014 by thanvigandhi_1

1 answer

Which of the following statements do not convey the same meaning as the statement-A “If a natural number is odd, then its square is also odd.”

asked Jan 18, 2014 by thanvigandhi_1

1 answer

What is the contrapositive of the statement: If it rains, then I stay at home.

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Identify the quantifier in the sentence There exists a kingdom for every king in India.

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Identify the quantifier in the sentence: There exists a number which is equal to its square.

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which is true?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which is false?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement: 2 is the only even prime number?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which is a false statement?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement: 6 is irrational?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement: Opposite sides of a rectangle have same length?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement: Jaipur is a city?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which of the following is not a statement?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which of the following is not a statement?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Which of the following is a statement?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

What is the truth value of "4 is even and 8 is odd."?

asked Jan 17, 2014 by thanvigandhi_1

1 answer

Ask Questions, Get Answers