What is the best solution for solving the question of exercise 3.4 of class 10th math. Sir Please give me some solution for this question 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.