1)

The sum of two numbers is 25 and their difference is 13. B'ind their product.


A) 104

B) 114

C) 315

D) 325

E) 350

Answer:

Option B

Explanation:

Let the numbers be x and y. Then,
x+y=25 and xy=13.
4xy=(x+y)2(xy)2
=(25)2(13)2=625139=456
xy=114.