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Last updated at Feb. 17, 2020 by Teachoo
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Example, 8 Identify the type of “Or” used in the following statements and check whether the statements are true or false: (i)2 is a rational number or an irrational number. The component statements are p: 2 is a rational number. q: 2 is an irrational number. We know that 2 is irrational number as it cant be Written in form 𝑝𝑞 Hence first statement is false and second statement is true Since the connecting world to ‘Or’ So the compound statement is true It is exclusive or as 2 is either rational or not It cant be both. Example, 8 Identify the type of “Or” used in the following statements and check whether the statements are true or false: (ii) To enter into a public library children need an identity card from the school or a letter from the school authorities. The component statements are p: To get into a public library children need an identity card. q: To get into a public library children need a letter from the school authorities. Children can enter the library it they have an identity card or the letter, as well as both. Hence, ‘Or’ is inclusive. Both p & q statements are true. & the connecting word is ‘Or’ Hence component statement are true Example, 8 Identify the type of “Or” used in the following statements and check whether the statements are true or false: (iii) A rectangle is a quadrilateral or a 5-sided polygon. The component statement are: p : A Rectangle is a quadrilateral. q : A Rectangle is a 5–sided polygon. A rectangle can be quadrilateral . But cannot be 5 – sided polygon. Hence ‘or’ is exclusive. We know that a rectangle is a quadrilateral . Hence p is true. A rectangle can not be 5 - sided polygon as it has 4 sides Hence q is false. The connecting word is ‘Or’ Hence compound statement is true.
Examples
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Example 3 Not in Syllabus - CBSE Exams 2021
Example 4 Not in Syllabus - CBSE Exams 2021
Example 5 Important Not in Syllabus - CBSE Exams 2021
Example 6 Not in Syllabus - CBSE Exams 2021
Example 7 Important Not in Syllabus - CBSE Exams 2021
Example, 8 Important Not in Syllabus - CBSE Exams 2021 You are here
Example 9 Not in Syllabus - CBSE Exams 2021
Example 10 Not in Syllabus - CBSE Exams 2021
Example 11 Not in Syllabus - CBSE Exams 2021
Example 12 Not in Syllabus - CBSE Exams 2021
Example 13 Important Not in Syllabus - CBSE Exams 2021
Example 14 Important Not in Syllabus - CBSE Exams 2021
Example 15 Not in Syllabus - CBSE Exams 2021
Example 16 Not in Syllabus - CBSE Exams 2021
Example 17 Not in Syllabus - CBSE Exams 2021
Example 18 Important Not in Syllabus - CBSE Exams 2021
Example 19 Important Not in Syllabus - CBSE Exams 2021
Example 20 Important Not in Syllabus - CBSE Exams 2021
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