Leena has 117 rupees in the form of 5 rupee coins and 2 rupee coin.The number of 2 rupee coins is 4 times that of 5 rupee coins.Find the number of coins of each denomination.

Answer: No. of 5 rupees coins is 9.No. of 2rupees coins is 36Let the no. of 5 rupees coins be X. Then according to the question no. of 2 rupees coins is 4X.so the equation will be : 5X +2(4X) = 1175X + 8X =11713X= 117X =117/13 = 9the no. of 5 rupees coins is 9.no. of 2 rupees coins is 4X= 4×9= 36