A) 9
B) 7
C) 8
D) 6
Correct Answer: B
Solution :
Let the numbers be x and y. \[xy=120\] \[{{x}^{2}}+{{y}^{2}}=289\] \[(x-y)={{x}^{2}}+{{y}^{2}}-2xy\] \[=289-2\times 120=289-240\] = 49 \[\therefore \] \[x-y=7\]You need to login to perform this action.
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