Lakshmi is a cashier in a bank. She has currency notes of denominations rupees 100, rupees 50 and rupees 10 respectively. The ratio of the numbers of these notes is 5:4:3. The total cash with Lakshmi is rupees 73,000. How many notes of each denomination does she have?
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Answer:
Number of Rs 100 notes = 5 × 100 = 500
Number of Rs 50 notes = 4 × 100 = 400
Number of Rs 10 notes = 3 × 100 = 300
Step-by-step explanation:
The notes are in the ratio 5:4:3
The number of Rs 100, Rs 50 and Rs 10 notes are 5x, 4x and 3x respectively.
Given, (100 × 5x) + (50 × 4x) + (10 × 3x) = 73000
500x + 200x + 30x = 73000
730x = 73000
x = 100
Number of Rs 100 notes = 5 × 100 = 500
Number of Rs 50 notes = 4 × 100 = 400
Number of Rs 10 notes = 3 × 100 = 300
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