Math, asked by anandsweety81, 2 months ago

The averages of 6 numbers is 30 . Average of
fist four is 25 and
of the last three is
35, find the fourth number

Answers

Answered by Anonymous
4

Answer:

 \sf \:  sum \: of \: 6 \: digits \:  = 6 \times 30 = 180 \\  \\ \sf sum \: of \: 1st \: four \: digits = 25 \times 4 = 100 \\  \\ \sf \: sum \: of \: last \: three \: digits \:  = 35  \times 3 = 105 \\  \\  \sf \: fourth \: digit \:  = (100 + 105) - 180 = 25

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