18
The sum of the averages of three consecutive odd numbers and three consecutive even numbers is 21. If the highest even number is 16, what is the lowest odd number?
- A5
- B7
- C9
- D11
Answer not set
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0
CCommunity
Solution
We know that he highest even number is 16.
The three consecutive even numbers are 12, 14, 16.
Their average = 14
Let the average of 3 consecutive odd numbers be 'a'
a + 14 = 21
a = 7
The required odd numbers are 5, 7, 9
We know that he highest even number is 16.
The three consecutive even numbers are 12, 14, 16.
Their average = 14
Let the average of 3 consecutive odd numbers be 'a'
a + 14 = 21
a = 7
The required odd numbers are 5, 7, 9
0
CCommunity
Solution
We know that he highest even number is 16.
The three consecutive even numbers are 12, 14, 16.
Their average = 14
Let the average of 3 consecutive odd numbers be 'a'
a + 14 = 21
a = 7
The required odd numbers are 5, 7, 9
We know that he highest even number is 16.
The three consecutive even numbers are 12, 14, 16.
Their average = 14
Let the average of 3 consecutive odd numbers be 'a'
a + 14 = 21
a = 7
The required odd numbers are 5, 7, 9