CBSE 11th Standard Maths Subject Mathematical Reasoning Ncert Exemplar 1 Marks Questions 2021
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CBSE 11th Standard Maths Subject Mathematical Reasoning Ncert Exemplar 1 Marks Questions 2021
11th Standard CBSE
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Reg.No. :
Mathematics
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Rewrite the following statements in the form of conditional statement.
The unit digit of an integer is 0 or 5, if it is divisible by 5.(a)If an integer is divisible by 5, then its unit digit's are 0 or 5.
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Rewrite the following statements in the form of conditional statement.
The square of a prime number is not prime.(a)If the number is prime, then its square is not prime.
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Write down the contrapositive of the following statements.
If n is a natural number, then n is an integer.(a)If n is not an integer, then it is not a natural number.
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Write down the contrapositive of the following statements.
If x and y are negative integers, then xy is positive.(a)If xy is non-positive integer, then either x or y is non-negative integer.
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Write down the contrapositive of the following statements.
If natural number n is divisible by 6, then n is divisible by 2 and 3.(a)If natural number n is not divisible by 2 and 3, then n is not divisible by 6.
1 Marks
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CBSE 11th Standard Maths Subject Mathematical Reasoning Ncert Exemplar 1 Marks Questions 2021 Answer Keys
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If an integer is divisible by 5, then its unit digit's are 0 or 5.
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If the number is prime, then its square is not prime.
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If n is not an integer, then it is not a natural number.
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If xy is non-positive integer, then either x or y is non-negative integer.
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If natural number n is not divisible by 2 and 3, then n is not divisible by 6.
1 Marks
