Q.
In a bag, the number of ₹10 notes, ₹20 notes and ₹50 notes are in the ratio 5:4:3. The total value of the notes in it is ₹280. Find the number of ₹10 notes in it.
Let the number of ₹10 notes be 5x. Numbers of ₹20 notes and ₹50 notes are 4x and 3x, respectively. Total value of notes =(10)(5x)+(20)(4x)+(50)(3x) =280x=280 x=1 5x=5