A person is to count 4500 currency notes. Let an denote the number of notes he counts in the nth minute. If a1 = a2 = ...... = a10 = 150 and a10, a11 , ...... are in A P. with common difference -2, then the time taken by him to count all notes is ?
Vicki Sharma , 10 Years ago
Grade 12
2 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
Dear student
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Regards
Vikas TU
Last Activity: 4 Years ago
Dear student Question is not clear Please attach an image, We will happy to help you Good Luck Cheers
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