Multiple choice

A bag contains notes of Rs 10, Rs 20, and Rs 50 in the ratio of 1:3:5. If the total value of money in the bag is Rs 1920, find the number of Rs 20 notes.

  1. 6

  2. 30

  3. 18

  4. 12

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let the number of notes be x, 3x, and 5x. Total value = 10x + 20(3x) + 50(5x) = 10x + 60x + 250x = 320x. Given 320x = 1920, so x = 6. Number of Rs 20 notes = 3x = 18.