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The three numbers in each group are related in the same way.Choose the number that completes the last group.( 12 [ 20 ] 5 )( 16 [ 36 ] 17 )( 14 [ ? ] 20 )

Question

The three numbers in each group are related in the same way. Choose the number that completes the last group.

  • ( 12 [ 20 ] 5 )
  • ( 16 [ 36 ] 17 )
  • ( 14 [ ? ] 20 )
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Solution

The relationship between the numbers in each group is that the middle number is the product of the first and the last number.

In the first group, 12 * 5 = 60, but the middle number is 20, which is 60 divided by 3.

In the second group, 16 * 17 = 272, but the middle number is 36, which is 272 divided by 7.5 (approximately).

So, in the third group, we need to find a number that, when multiplied by 14 and then divided by a certain number, gives us 20.

14 * 20 = 280.

If we divide 280 by 14, we get 20.

So, the missing number is 14.

This problem has been solved

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