मराठी

Write the Negation of the Statement:The Earth is Round.

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प्रश्न

Write the negation of the statement:

 The earth is round.

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उत्तर

 Negation of the given statement:
The earth is not round.
Or
It is not true that the earth is round.

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पाठ 31: Mathematical reasoning - Exercise 31.2 [पृष्ठ ६]

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आर.डी. शर्मा Mathematics [English] Class 11
पाठ 31 Mathematical reasoning
Exercise 31.2 | Q 1.4 | पृष्ठ ६

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Show that the following statement is true by the method of contrapositive.

pIf x is an integer and x2 is even, then x is also even.


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All real numbers are complex numbers.


Give three examples of sentences which are not statements. Give reasons for the answers.


Are the pair of statement are negation of each other:

 The number x is not a rational number.
The number is an irrational number.


Write the negation of the statement:

 p : For every positive real number x, the number (x − 1) is also positive.

 


Write the negation of the statement:

r : There exists a number x such that 0 < x < 1.

 

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

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Write the negation of  statement:

For every x ϵ Nx + 3 < 10


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

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 The game is cancelled only if it is raining.


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

 It never rains when it is cold.

 

Check the validity of the statement:

 p : 100 is a multiple of 4 and 5.


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

 p : Each radius of a circle is a chord of the circle.


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

q : The centre of a circle bisects each chord of the circle.


 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.


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

 t :  \[\sqrt{11}\]  is a rational number. 

 

 


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Mohan will be a good student if he studies hard.


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When you sing, my ears hurt.


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If x = 7 and y = 4” then x + y = 11.


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Translate the following statements into symbolic form

x and y are even integers.


Write down the negation of following compound statements

All rational numbers are real and complex.


Rewrite the following statements in the form of conditional statements

The square of an odd number is odd.


Rewrite the following statements in the form of conditional statements

You will fail, if you will not study.


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q: Natural number n is not divisible by 2.


Identify the Quantifiers in the following statements.

For all negative integers x, x 3 is also a negative integers.


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q: 131 is a multiple of 3 or 11


Which of the following is a statement?


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The negation of the statement “101 is not a multiple of 3” is ______.


Which of the following statement is a conjunction?


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