Answer the questions using the square grid — task. Mathematics State Board, Class 6.

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Answer the following questions using the

$4 \times 4$ square grid.

1. What is the sum of the diagonal numbers?

Sum of the diagonal numbers

$=$

2. Specify the composite numbers in the fourth column.

Composite numbers in the fourth column

$=$

3. Specify the prime numbers in the second column.

Prime numbers in the second column

$=$

[Note: Enter the answer in left to right order and top to bottom order given in the above grid, also insert comma to separate the numbers.]

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11. Answer the questions using the square grid