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Question

A man has Rs. 480 in the denominations of one-rupee notes, five rupee notes and ten rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

एक आदमी के पास 480 रु., एक रुपए, पांच रुपए और दस रुपए के नोट के रूप में हैं। सभी तीनों प्रकार के नोटों की संख्या बराबर है। उसके पास नोटों की कुल कितनी संख्या है?

A
45
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B
60
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C
75
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D
90
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Solution

The correct option is D 90
Let number of notes of each denomination be x.
Them, x + 5x + 10x = 480
16x = 480
x = 30
Hence, total number of notes, 3x = 3 × 30 = 90
Hence, option (d) is the correct answer.

माना कि प्रत्येक मूल्य के नोटों की संख्या x है।
तब, x + 5x + 10x = 480
16x = 480
x = 30
इसलिए, नोटों की कुल संख्या, 3x = 3 × 30 = 90
अतः, विकल्प (d) सही उत्तर है।

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