While multiplying three real numbers, Ashok took one of the numbers
While multiplying three real numbers, Ashok took one of the numbers as 73 instead of 37. As a result, the product went up by 720. Then the minimum possible value of the sum of squares of the other two numbers is
Answer
Let the other two numbers be y and z.
As per the question,
73yz - 37yz = 720
36yz = 720
yz = 20
Minimum possible sum of the squares of the other two numbers will occur when y = z
So, y = z = √20
Hence, the required sum = 40
The correct answer is 40.