pair of linear equations in two var

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Information about pair of linear equations in two var
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Published on July 5, 2008

Author: WiZiQ

Source: authorstream.com

PAIR OF LINEAR EQUATIONS IN TWO VARIABLES: PAIR OF LINEAR EQUATIONS IN TWO VARIABLES CHAPTER - 3 EXERCISE - 3.6 QUESTION 2:-Formulate the following problems as a pair of equations, and hence find their solutions:(i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current.: QUESTION 2:- Formulate the following problems as a pair of equations, and hence find their solutions: (i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current. (ii) 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 women alone to finish the work, also that taken by 1 man alone.: (ii) 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 women alone to finish the work, also that taken by 1 man alone. (iii) Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.: (iii) Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately. THANK YOU

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