1.

If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is:

Answer»

40



Let the NUMBERS be X and y. 

Then, (x + y) = 22 and X2 + y2 = 404 

Now, 

2XY = (x + y)2 - (x2 + y2) 

2xy= 222 - 404 = 484 - 404 = 80

xy = 40



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