PAIR OF LINEAR EQUATIONS IN TWO VARIABLES : PAIR OF LINEAR EQUATIONS IN TWO VARIABLES CHAPTER - 3
EXERCISE - 3.3
QUESTION 3:-Form the pair of linear equations for the following problems and find their solution by substitution method:-(iv) The taxi charges in a city consist of a fixed charges together with the charge for the distance covered. For a distance of 10 km, the charge paid is Rs 105 and for a journey of 15 km, the charges paid is Rs 155. What are the fixed charges and the charge per km? How much does a person have to pay for traveling a distance of 25 km. : QUESTION 3:- Form the pair of linear equations for the following problems and find their solution by substitution method:- (iv) The taxi charges in a city consist of a fixed charges together with the charge for the distance covered. For a distance of 10 km, the charge paid is Rs 105 and for a journey of 15 km, the charges paid is Rs 155. What are the fixed charges and the charge per km? How much does a person have to pay for traveling a distance of 25 km.
(v) A fraction becomes 9/11, if 2 is added to both the numerator and the denominator. If 3 is added to both the numerator and the denominator it becomes 5/6. Find the fraction. : (v) A fraction becomes 9/11, if 2 is added to both the numerator and the denominator. If 3 is added to both the numerator and the denominator it becomes 5/6. Find the fraction.
(vi) Five years hence, the age of Jacob will be three times that of his son. Five years ago Jacob’s age was seven times that of his son. What are their present ages? : (vi) Five years hence, the age of Jacob will be three times that of his son. Five years ago Jacob’s age was seven times that of his son. What are their present ages?
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