The average of four numbers is 42.
Three of them are 35, 40, and 28.
Find the fourth number.
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Answer:
Sum of 6 numbers =60×30=180
Sum of first 4 numbers =4×25=100
Sum of last 3 numbers =3×35=105
∴ Fourth number =(100+105)−180
=205−180
=25
Answered by
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Answer:
the 4th number is 65. please mark me as brilliant
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