How many three digit numbers can generated from 1,2,3,4,5,6,7,8,9 such that the digits are in ascending order.
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Answer:
they are 135;246;357;468;789;689;479
Step-by-step explanation:
it is like that 135 in this 1 is smaller than 3, 3 is smaller than 5 so it is in ascending order
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