John connects the dots in the given pattern to form a closed figure. He does this by using only two dots from each row and each column. If so, which dot will remain unconnected?

Dot 1

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Dot 3

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Dot 5

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Dot 7

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Solution

The correct option is C Dot 5
Satisfying the given conditions, John can connect the dots in two ways:

$1 s t w a y :$

Unconnected dots in the 1st way:
1, 5, and 9

$2 n d w a y :$

Unconnected dots in the 2nd way:
3, 5, and 7

Hence, in both cases, dot 5 remains unconnected.

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John connects the dots in the given pattern to form a closed figure. He does this by using only two dots from each row and each column. If so, which dot will remain unconnected?

The correct option is C Dot 5Satisfying the given conditions, John can connect the dots in two ways: 1st way: Unconnected dots in the 1st way: 1, 5, and 9 2nd way: Unconnected dots in the 2nd way: 3, 5, and 7 Hence, in both cases, dot 5 remains unconnected.

The correct option is C Dot 5
Satisfying the given conditions, John can connect the dots in two ways:

$1 s t w a y :$

Unconnected dots in the 1st way:
1, 5, and 9

$2 n d w a y :$

Unconnected dots in the 2nd way:
3, 5, and 7

Hence, in both cases, dot 5 remains unconnected.