हिंदी

The negation of the statement “72 is divisible by 2 and 3” is ______.

Advertisements
Advertisements

प्रश्न

The negation of the statement “72 is divisible by 2 and 3” is ______.

विकल्प

  • 72 is not divisible by 2 or 72 is not divisible by 3

  • 72 is not divisible by 2 and 72 is not divisible by 3

  • 72 is divisible by 2 and 72 is not divisible by 3

  • 72 is not divisible by 2 and 72 is divisible by 3

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The negation of the statement “72 is divisible by 2 and 3” is 72 is not divisible by 2 and 72 is not divisible by 3.

Explanation:

Let p: 72 is divisible by 2 and 3

And q: 72 is divisible by 2

r: 72 is divisible by 3

∴ ~ q: 72 is not divisible by 2

~ r: 72 is not divisible by 3

So ~ (q ∧ r) : ~ q ∨ ~ r

⇒ 72 is not divisible by 2 or 72 is not divisible by 3.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Mathematical Reasoning - Exercise [पृष्ठ २६६]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 14 Mathematical Reasoning
Exercise | Q 23 | पृष्ठ २६६

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

By giving a counter example, show that the following statements are not true.

q: The equation x2 – 1 = 0 does not have a root lying between 0 and 2.


Find out the following  sentence is a statement and is not. Justify your answer.

Listen to me, Ravi !


Find out the sentence are statement and are not. Justify your answer.

Two non-empty sets have always a non-empty intersection.


Find out the sentence are statement and are not. Justify your answer.

The cat pussy is black.


Find out the sentence are statement and are not. Justify your answer.

All real numbers are complex numbers.


Find out the sentence are statement and are not. Justify your answer.

The product of (−1) and 8 is 8.

 

Write the negation of the statement:

 The sun is cold.

 

There is a complex number which is not a real number.


Check whether the following pair of statements are negation of each other. Give reasons for your answer.
a + b = b + a is true for every real number a and b.
 There exist real numbers a and b for which a + b = b + a.


Find the component statement of the compound statement:

The earth is round or the sun is cold.


Write the component statement of the compound statement and check whether the compound statement is true or false:

The sand heats up quickly in the sun and does not cool down fast at night.

 

Determine whether the compound statement are true or false: 

 Delhi is in India and 2 + 2 = 5.


Write the negation of  statement:

For every x ϵ N, x + 3 < 10


Negate  statement:
 All the students completed their homework.


Write of the statement in the form "if p, then q". 

 The game is cancelled only if it is raining.


 statement are true and false? In each case give a valid reason for saying so

r : Circle is a particular case of an ellipse.


 statement are true and false? In each case give a valid reason for saying so

 s : If x and y are integers such that x > y, then − x < − y.


Which of the following statements are compound statements 

“9 is neither an even number nor a prime number”


Identify the component statements and the connective in the following compound statements.

It is raining or the sun is shining.


Write the negation of the following statements:
p: All triangles are equilateral triangles.


Write the negation of the following statements:
q: 9 is a multiple of 4.


Write the negation of the following statements:
r: A triangle has four sides.


Rewrite the following statements in the form of conditional statements:

When you sing, my ears hurt.


Translate the following biconditional into symbolic form:
“ABC is an equilateral triangle if and only if its each interior angle is 60°”


Check the validity of the statements:
r: 100 is a multiple of 4 and 5.


Which of the following sentences are statements? Justify

0 is a complex number.


Find the component statements of the following compound statements.

The number 100 is divisible by 3, 11 and 5.


Find the component statements of the following compound statements.

0 is less than every positive integer and every negative integer.


Find the component statements of the following compound statements.

Plants use sunlight, water and carbon dioxide for photosynthesis.


Translate the following statements into symbolic form

A number is either divisible by 2 or 3.


Write down the negation of following compound statements

A triangle has either 3-sides or 4-sides.


Write down the negation of following compound statements

All prime integers are either even or odd.


Write down the negation of following compound statements

6 is divisible by 2 and 3.


Rewrite the following statements in the form of conditional statements

You will get a sweet dish after the dinner.


Identify the Quantifiers in the following statements.

There exists a real number which is not a rational number.


Check the validity of the following statement.
p: 125 is divisible by 5 and 7.


The negation of the statement “A circle is an ellipse” is ______.


The negation of the statement “Rajesh or Rajni lived in Bangalore” is ______.


State whether the following sentences are statements are not.
(i) The angles opposite to equal sides of a triangle are equal.
(ii) The moon is a satellite of earth.
(iii) May God bless you!
(iv) Asia is a continent.
(v) How are you?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×