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QUESTION
Q
A boy running at a speed of 5 m/sec, will take how much time to complete a round running around the circumference of...

Solution

Speed of the boy = 5 m/secRadius of circular track = R = 2240 mCircumference of circular track = 2πR = 2 ×...

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The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 and 31. What is the…

Study the table and answer the following questions

Study the table and answer the following questions

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