wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Question 85

Solve the following:

The sum of three consecutive odd natural numbers is 69. Find the prime number out of these numbers.


Open in App
Solution

Let the three consecutive odd natural numbers be x, (x+2) and (x+4).
According to the question,
x+(x+2)+(x+4)=69
3x+6=693x=6963x=63x=63×13=21
Thus, the three consecutive odd natural numbers are 21, (21+2) and (21+4), i.e. 21, 23, and 25. Out of these, Only 23 is the prime number.


flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon