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.

Show answer & explanation

Answer: (C) 18

Explanation

Let the numbers of notes be x, 3x and 5x. Value = 10x + 60x + 250x = 320x = 1920, so x = 6. Rs 20 notes = 3 × 6 = 18.