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  3. The average of 5 positive integers is 528. The average of the first two numbers is 408 and the average of last two numbers is 554. What is the third number?

Q.

The average of 5 positive integers is 528. The average of the first two numbers is 408 and the average of last two numbers is 554. What is the third number?

A 750
B 845
C 954
D 1047
Answer & Explanation
Option: [C]

Let the third number be x,

According to the question,

(408 * 2 + x + 554 * 2)/5 = 528

408 * 2 + x + 554 * 2 = 2640

x = 954

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