If three numbers in the raƟo 3 : 2: 5 be such that the sum of their squares is 1862, the middle

If three numbers in the raƟo 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be

Quiz

Answer/Solution

14

Steps/Work

Explanation:
Let the numbers be 3x, 2x and 5x.
Then,
9x + 4x + 25x =1862
⇒
38x = 1862
⇒
x = 49
⇒
x = 7.
middle number = 2x = 14
Answer: B