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Question

Q. Rimi and Tomy can do a piece of work in 45 and 40 days respectively. They began the work together, but Rimi leaves after some days and Tomy finished the remaining work in 23 days. After how many days did Rimi leave?


Q. रिमी और टॉमी क्रमशः 45 और 40 दिनों में एक काम कर सकते हैं। उन्होंने एक साथ काम शुरू किया, लेकिन रिमी ने कुछ दिनों के बाद काम छोड़ दिया और टॉमी ने 23 दिनों में शेष काम पूरा कर लिया। रिमी ने कितने दिनों के बाद काम छोड़ा?

A

7 days
7 दिन
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B

8 days
8 दिन
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C

9 days
9 दिन
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D

11 days
11 दिन
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Solution

The correct option is C
9 days
9 दिन
Let ‘n’ be the number of days for which they worked together.
Then, n ×(145)+(140)+(2340)=1
Solving, n = 9 days.


माना कि 'n' उन दिनों की संख्या है, जिसके लिए उन्होंने एक साथ काम किया था।
तो, ×(145)+(140)+(2340)=1
n = 9 दिन

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