the mean of 3 numbers is 36 if the mean of two numbers is 48 then what is the third number
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let the numbers be x,y,z
given
x+y+z/3 =36
⇒ x+y+z= 108 .................(i)
also given x+y/2= 48
⇒ x+y = 96..............(II)
∴ (i) - (ii) gives
Third number z = 12
given
x+y+z/3 =36
⇒ x+y+z= 108 .................(i)
also given x+y/2= 48
⇒ x+y = 96..............(II)
∴ (i) - (ii) gives
Third number z = 12
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