MCQ Page | MakeMCQ

Question:
If (x2 -y2) =48 and (x -y) =4 , what is the average of x and y?
a)
12
b)
10
c)
8
d)
6
e)
None of these
Click here to see answer

Description:

x2 - y 2 = 48

(x + y) (x - y) = 48

(x + y) ×4 = 48

x + y = 12

(x + y)/2 = 6

Download our MakeMCQ app from play store
Join Free Exams