Question
If a = 100, (a +
b) = 400 and (c –
b) = 80, find the average of the three numbers a, b and
c.
Solution
ATQ, Given, a = 100, (a + b) = 400 and (c – b) = 80 Therefore, b = 400 – 100 = 300 And, c = 300 + 80 = 380 Required average = (100 + 300 + 380)/3 = 260
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