1.

The average of four no. S are 48 three of them are 42,50 and 56 find the fourth no

Answer»

LET the FOURTH NUMBER be x.

Average = SUM of all numbers/Total number

48=42+50+56+x/4

48=148+x/4

48×4=148+x

192-148=x

44=x

The fourth number is 44.



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