The average of 6 consecutive odd natural numbers is 18. Which is the smallest number out of these 6 numbers?
Show answer & explanation
Correct answer: B
Explanation
Given:
Average of 6 consecutive odd numbers = 18
According to the formula:
Average in an Arithmetic Progression = Average of the middle terms
The numbers are: 13, 15, 17, 19, 21, 23
Average = (17 + 19) / 2 = 18
The smallest number = 13