A woman has 60 notes in all of Rs 10 and Rs 20 denominations. If the total worth of the notes is Rs 850, find out how many notes of each kind does she have? Share with your friends Share 3 Manbar Singh answered this Let the number of Rs 10 notes= xLet the number of Rs 20 notes = yNow, x + y = 60 .....1Amount of money with Rs 10 notes = Rs 10xAmount of money with Rs 20 notes = Rs 20yNow, 10x + 20y = 850⇒x + 2y = 85 ....2Subtracting 1 from 2, we get2y - y = 85 - 60⇒y = 25Now, from 1 we getx + 25 = 60 ⇒x = 60-25 = 35So, number of Rs 10 notes = 35number of Rs 20 notes = 25 3 View Full Answer Kaushal Pal answered this Let the no. of Rs10 be x, Therefore no. of Rs 20 (60-x). According to your question, 20(60-x)+10x=850 1200-20x+10x=850 1200-850=-10x+20x 350=10x x=35 60-x=60-35=25 Therefore no. of 10 Rs note=35 and no. of 20 Rs note =25 6
