Correct option is C
Given:
- Four consecutive even numbers.
- The difference between the squares of the averages of the first two and the last two numbers is 408.
Formula Used:
- Let the four consecutive even numbers be: x, x+2, x+4, x+6
- Average of first two numbers =
- Average of last two numbers =
- Difference of squares =
Solution:
Let the numbers be x, x+2, x+4, x+6
Then, average of first two = x + 1
And, average of last two = x + 5
Largest number = x + 6 = 48 + 6 = 54
The largest even number is 54.
English
25 Questions
100 Marks
20 Mins
