The average of three number is 36.The average of two of these number is 48.what is the third number?
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Average of 3 number is 36.
x+y+z/3=108
x+y+z=108.
and Average of 2 numbers is 48.
so,
x+y/2=48
x+y=96.
Putting
x+y=96
in
x+y+z=108
96+z=108
z=12.
Answer is 12.
Third number is 12.
x+y+z/3=108
x+y+z=108.
and Average of 2 numbers is 48.
so,
x+y/2=48
x+y=96.
Putting
x+y=96
in
x+y+z=108
96+z=108
z=12.
Answer is 12.
Third number is 12.
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