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The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.



The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.

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11y ago

The number of combinations of 4 numbers out of 8 is 8C4= (8*7*6*5/(4*3*2*1) = 70.

In a combination, the order of the numbers does not matter so that 2345, 2454, 4523 etc are all counted as 1.

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