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The average of X, Y and the Z is 22 more than the average of Y, Z and W. Find the difference between X and W?1. 442. 883. 224. 66 |
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Answer» Correct Answer - Option 4 : 66 GIVEN: The average of X, Y and the Z = 22 more than the average of Y, Z and W. FORMULA USED: Average = Sum of numbers/Total numbers CALCULATION: According to the question: (X + Y + Z)/3 = (Y + Z + W)/3 + 22 ⇒ X + Y + Z = Y + Z + W + 66 ⇒ X = W + 66 ⇒ X - W = 66 |
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