Question

Meena has rupees 600 in the form of notes of rupees 10 of rupees 20 denomination number of rupees 10 is three times the number of rupees 20 notes find the number of notes of each​

Answer 1

the number of rupees 10 is 6 & the number 20 is 3

Answer 2

Let no.of. 20 rupee notes be x. Then. No.of. 10rupee notes will be 3x.

Sum of 10 rupee notes and. 20rupee note. Is. 600. So,

20x+10(3x)=600

20x+30x=600

50x=600

X=12