the average of 6 no. is 30. if the average of first four is 25 and that of last three is 35 what is the fourth number
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correct answer is 25 ok
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Answer:
Step-by-step explanation:
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
So , the fourth number is 25 ♥️✌️♥️
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