Question
The average of 7 consecutive numbers is 20. The largest of these numbers is :
Answer: Option C
Answer: (c)Average of 7 consecutive numbers is 20. Since the numbers are consecutive, they form an arithmetic series with common difference 1. Since, 7 is odd, 20 must be the middle number. We can write the series as below, 17, 18, 19, 20, 21, 22, 23 ∴ The largest of these numbers is 23.
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Answer: (c)Average of 7 consecutive numbers is 20. Since the numbers are consecutive, they form an arithmetic series with common difference 1. Since, 7 is odd, 20 must be the middle number. We can write the series as below, 17, 18, 19, 20, 21, 22, 23 ∴ The largest of these numbers is 23.
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