Question
The average of 5 numbers is 26. Four of the numbers are
22, 25, 30 and 28. What is the fifth number?Solution
ATQ, Total sum of 5 numbers = 5 × 26 = 130 Sum of four given numbers = 22 + 25 + 30 + 28 = 105 Fifth number = 130 − 105 = 25
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