can I give some questions based on CBSE class 8th maths lesson 1 rational number
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5 important questions
. What are the multiplicative and additive identities of rational numbers?
Solution: 0 and 1 are the additive and multiplicative identity of rational numbers respectively.
2. Write the additive inverse of 19/-6 and -⅔
Solution: 19/-6 = 19/6 and -⅔ = 2/3
3. Write the multiplicative inverse of -13/19 and -7
Solution: -13/19 = -19/13 and -7 = -1/7
4. Mention a rational number which has no reciprocal.
Solution: A rational number “0” has no reciprocal or multiplicative inverse.
5. Mention any 4 rational numbers which are less than 5.
Solution: -1, 1, 2 and 3.
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