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Questions >> CBSE XI >> Math >> Mathematical Reasoning

Are the pair of statements "The number $x$ is not a rational number." and "The number $x$ is not an irrational number." negation of each other?

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Write the negation of "Every natural number is an integer."

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Write the negation of "The number $2$ is greater than the number $7$ ."

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Write the negation of "All triangles are not equilateral triangle."

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Write the negation of " $\sqrt 2$ is not a complex number."

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Write the negation of "Chennai is the capital of Tamil Nadu."

asked Jul 14, 2014 by rvidyagovindarajan_1

1 answer

Give three examples of sentences which are not statements. Give reason.

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

'All real numbers are complex numbers.' Is this sentence a statement? How?

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

'Today is a windy day.' Is this sentence a statement? why?

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

'The sum of all interior angles of a triangle is $180^\circ$ .' Is this sentence a statement? Give reason.

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

The product of $(-1)$ and $8$ is $8$ . Is this sentance a statement? Give reason.

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

'Answer this question.' Is this sentence a statement? why?

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

The sides of a quadrilateral have equal length. Is this sentence a statement?

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

The square of a number is an even number. Is this sentence a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

The sum of $5$ and $7$ is greater than $10$ . Is this a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

Mathematics is difficult. Is this a statement? Give reason

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

There are $35$ days in a month. Is this sentence a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

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