CBSE Class 9 Maths solutions Number Systems Ex 1.1 | NCERT Class 9 Maths solutions
00:02 Q1. Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q is not 0?
00:25 Zero is a rational number.Explanation
00:36 representation of zero in the form of p/q.
00:59 Q2. Find six rational numbers between 3 and 4.
01:35 Procedure to find 'n' rational numbers between Integers
01:55 Equivalent Rational Numbers.Write Rational Numbers in Equivalent Rational Numbers.
02:30 rational numbers between Integers
02:49 Q3. Find five rational numbers between 3/5 and 4/5.
02:59 Procedure to find rational numbers between rational numbers.
04:05 rational numbers between rational numbers
03:20 Convert Rational Numbers in Equivalent Rational Numbers.
04:28 Q4. State whether the following statements are true or false. Give reasons for your answers.
04:44 (i) Every natural number is a whole number.
04:58 Explanation of number fact that Every natural number is a whole number
05:05 (ii) Every integer is a whole number.
05:30 (iii) Every rational number is a whole number.
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Rational numbers | Irrational numbers | Rationalization | Real line | Real numbers
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