A1 Proofs In Mathematics — Practice Quiz
CBSE · Class 10 · Mathematics
Try a 4-question quiz on A1 Proofs In Mathematics for CBSE Class 10 Mathematics: tap an answer to check it and see why.
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Quick Quiz: A1 Proofs In Mathematics
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Which option correctly states the definition of a mathematical statement in this chapter?
How is the statement 'It rained in Delhi on 1 September 2005' negated?
Which statement is the correct negation of 'All teachers are female'?
What is the negation of 'Some rational numbers are integers'?
Sample Questions
Which of the following are acceptable mathematical statements?
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The Sun orbits the Earth., All humans are mortal.
A mathematical statement must be always true or always false. The Sun orbits the Earth is always false, and All humans are mortal is always true. The other two are ambiguous or an order.
Which of the following is the correct double negation of s: 2 + 2 = 4?
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2 + 2 = 4
For any statement p, the double negation ~(~p) gives back p.
Which of the following is a correct example of a true mathematical statement?
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All equilateral triangles are isosceles.
Equilateral triangles have equal sides, so they are also isosceles.
Which option correctly restates the statement 'If the diagonals of a quadrilateral are equal, then it is a rectangle' so that it becomes true?
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If the diagonals of a parallelogram are equal, then it is a rectangle.
The condition must be strengthened to make the statement true.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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