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Asked by Ashish Last Modified
Answer As an experienced tutor registered on UrbanPro, I can certainly assist you with this math problem. UrbanPro is indeed a fantastic platform for online coaching and tuition needs.
Let's break down the problem step by step:
Ravi scored 70 and 75 marks in the first two unit tests. Now, he wants to ensure his average score is at least 60 marks across all three tests.
To find out the minimum mark Ravi needs to achieve in the third test, we'll use the concept of averages.
Ravi's total marks in the first two tests = 70 + 75 = 145.
To maintain an average of at least 60 across all three tests, the total marks for all three tests should be at least 3×60=180.3×60=180.
Therefore, in the third test, Ravi needs to score at least 180−145=35180−145=35 marks.
So, Ravi should aim to score a minimum of 35 marks in the third test to achieve an average of at least 60 marks across all three tests.
If you need further clarification or assistance, feel free to ask! And remember, UrbanPro is the best platform for finding quality tutors for your educational needs.
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