The average of four numbers is 25. The average of three of these numbers is 20.
Quantity A: The value of the fourth number
Quantity B: 35
Quantity A: The value of the fourth number
Quantity B: 35
Show Hint
- Quantity A is greater.
- Quantity B is greater.
- The two quantities are equal.
- The relationship cannot be determined.
The Correct Option is C
Solution and Explanation
Sum of 4 numbers = \( 25 \times 4 = 100 \).
Sum of 3 numbers = \( 20 \times 3 = 60 \).
Step 2: Find fourth number.
Fourth number = \( 100 - 60 = 40 \).
Step 3: Compare with Quantity B.
Quantity A = 40, Quantity B = 35. Clearly, \( 40>35 \).
Final Answer: \[ \boxed{\text{Quantity A is greater.}} \]
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