Question

4. Average of 8 numbers is 20, that of the first two is 15.5
and that of the next 3 is 21 , the 6th is less than the
7th by 4 and 7 less than the 8th. The last number is
(a) 32
(b) 35
(c) 25
(d) 28​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

c) 25

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