Multiple choice

Out of three numbers, the first is 16 times the second and 4 times the third. If the average of all the three numbers is 28, then find the second number.

  1. 32

  2. 8

  3. 4

  4. 16

  5. 20
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C Correct answer
Explanation

Let the first number be x.

Then, second number = x/16 and third number = x/4 

Now, average of 3 numbers = 28

(x + x/16 + x/4)/3 = 28

x = 64

So, the first number is 64.

Then, second number = 64/16 = 4

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