Quantitative Aptitude - Exercise 3.1 (Part 2) | Class 11 Applied Mathematics Chapter 3
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✅ In this video,
✔️ Class: 11th
✔️ Subject: Maths
✔️ Chapter: Averages (Chapter 3)
✔️ Topic Name: Quantitative Aptitude - Exercise 3.1 (Part 2)
✔️ Topics Covered In This Video (By Rahul Sir): The Video Covers Exercise 3.1 (Part 2) of Chapter 3 Quantitative Aptitude of Class 11 Applied Mathematics. Tune into this insightful video and ace your next assessment with confidence!
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00:00 Introduction - Quantitative Aptitude - Exercise 3.1 (Part 2)
01:23 Que 15 - Que 19: Exercise 3.1 (Part 2)
Que. 15 Average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. Find the correct average.
41:45 Que 20 - Que 24: Exercise 3.1 (Part 2)
Que 20 - Five years ago, average age of family of five was 32 years. The family includes Mrs and Mr Rai their son, daughter and daughter-in-law. Recently, the daughter Riya moved out of the house after marriage at the age of 30 years. Calculate the family's present average age.
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