A man has only ₹50 and ₹100 notes in his purse if he has 25 notes in all totalling ₹2000, how many notes of each kind does he have?
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Given:
Number of notes = 25
Total amount = ₹2000
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Assumed all ₹50 notes:
Total amount = ₹50 x 25 = ₹1250
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Find the difference in revenue:
₹2000 - ₹1250 = ₹750
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Find the difference in the value of the two notes:
₹100 - ₹50 = ₹50
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Find the number ₹100 notes:
₹100 notes = ₹750 ÷ 50 = 15
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Find the number of ₹50 notes:
₹50 notes = 25 - 15 = 10
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Answer: 10 pieces of ₹50 and 15 pieces of ₹100
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