Question

A set contains ten numbers. The average of the first six numbers is (x - 4), and the average of the last three numbers is (x + 2). The average of the entire set is 'x'. If the 7th number of the set is 28, then find the value of 'x'.

Q: Answer-A set contains ten numbers. The average of the first six numbers is (x - 4), and the average of the...

Sum of the numbers of set 10x Sum of first 6 numbers 6x 4 6x 24 Sum of last 3 numbers 3x 2 3x 6 ATQ, 6x 24 28 3x 6 10x 9x 10 10x x 10

A 10

B 14

C 28

D 18

E 12

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A set contains ten numbers. The average of the first six numbers is (x - 4), and the average of the last three numbers is (x + 2). The average of the entire set is 'x'. If the 7th number of the set is 28, then find the value of 'x'.

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