Lakshmi is a cashier in a bank. She has currency notes of denominations Rs. 100, Rs. 50 and Rs.10. The ratio of the number of these notesis 2: 3: 5.The total cash with Lakshmi is Rs. 4,000.How many notes of each denomination does she have? *i8 ki
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the decomintation is 40 rs.100
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Let the numbers of notes of ₹100, ₹50 and ₹10 be 2x, 3x and 5x respectively.
- Value of ₹100 = 2x × 100 = 200x
- Value of ₹50 = 3x × 50 = 150x
- Value of ₹10 = 5x × 10 = 50x
According to the question,
200x + 150x + 50x = 4,00,000
⇒ 400x = 4,00,000
⇒ x = 400000/400
⇒ x = 1000
Numbers of ₹100 notes = 2x = 2000
Numbers of ₹50 notes = 3x = 3000
Numbers of ₹10 notes = 5x = 5000
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