Question

₹860 is put in a box in the form of ₹20 notes and ₹10 notes .Number of 10 notes are 8 more than 20 notes .How many notes of each kind are there. ​

Answer 1

Step-by-step explanation:

Suppose 20rs note be x. then 10 Rs note = 8+x value of 20 Rs note = 20*x = 20x value of 10 Rs note = 10(8+x)=80+10x total amount =860 20x+80+10x =860 30x = 860-80 30x = 780 x = 26 ( number of 20 Rs note) number of 10 Rs note = 26+8=34

4.1

Answer 2

Answer:

Let the no. of ₹20 notes be x

So the no. of ₹10 notes is x+8

total no. of notes =x+(x+8)=2x+8

cost of ₹20 notes =20x

cost of ₹10 notes =10x+80

=>860=20x+(10x+80)

=>860=30x+80

=>30x=720

=>x=24

₹20 note=24

₹10 note=56