Form the pair of linear equations in the following problems,and find their solutions(if they exist) by the elimination method:(iv)Meena went to a bank to withdraw Rs.2000.She asked the cashier to give her Rs.50 and Rs.100 notes only.Meena got 25 notes in all.Find how many notes of Rs 50 and Rs.100 she received.

Form the pair of linear equations in the following problems,and find their solutions(if they exist) by the elimination method:(ii) Five years age,Nuri was thrice as old as Sonu.Ten years later,Nuri will be twice as old as Sonu.How old are Nuri and Sonu?

Form the pair of linear equations in the following problems,and find their solutions(if they exist) by the elimination method:(i)If we add 1 to the numerator and subtract 1 from the denominator a fraction reduces to 1.It becomes 1/2 if we only add 1 to the denominator.What is the fraction?

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(i) A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess.When a student A takes food for 20 days she has to pay Rs 1000 as hostel charges whereas a student B,who takes food for 26 days,pays Rs 1180 as hostel charges.Find the fixed charges and the cost of food per day.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:Places A and B are 100km apart on a highway.One car starts from A and another from B at the same time.If the car travel in the direction at different speeds,they meet in 5 hours.If they travel towared each other,they meet in 1 hour .What are the speeds of the two cars?

Form the pair of linear equations for the following problems and find their solutions by substitution method. (iv)The taxi charges in a city consist of a fixed charge together with the charge for the distance covered.For a distance of 10 km,the charge paid is ₹105 and for a journey of 15 km,the charge paid is ₹155 .What are the fixed charges and the charges per kilometer? How much does a person have to pay for travelling a distance of 25 km?

Lakshmi is a cashier in a bank. She has currency notes of denominations Rs 100, Rs 50 and Rs 10, respectively. The ratio of the number of these notes is 2:3:5 . The total cash with Lakshmi is Rs. 4,00,000. How many notes of each denomination does she have?