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Last updated at Sept. 11, 2021 by Teachoo

Transcript

Ex 11.4, 3 (a) Given Munnu’s age to be x years, can you guess what (x – 2) may show? (Hint : Think of Munnu’s younger brother.) Can you guess what (x + 4) may show? What (3x + 7) may show? Given Munnu’s age = x years (x − 2) is an age smaller than x So, (x − 2) years can be the age of Munnu’s younger brother (x + 4) is an age bigger than x So, (x + 4) years can be the age of Munnu’s elder sister. (3x + 7) is an age very bigger than Munnu So, (3x + 7) years can be the age of Munnu’s father.

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.