Maths iq : the average of x,y,z is 16 thrice the sum of y and z is 60 find the value of x
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Average of x , y , z = ( x + y + z ) / 3
16 = ( x + y + z ) / 3
16 × 3 = ( x + y + z )
48 = x + y + z
48 - x = y + z ---- : ( 1 )
Given, thrice the sum of y and z = 60
3( y + z ) = 60
48 - x = 60 / 3
48 - x = 20
48 - 20 = x
28 = x
16 = ( x + y + z ) / 3
16 × 3 = ( x + y + z )
48 = x + y + z
48 - x = y + z ---- : ( 1 )
Given, thrice the sum of y and z = 60
3( y + z ) = 60
48 - x = 60 / 3
48 - x = 20
48 - 20 = x
28 = x
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