how many positive integers n can be formed using 3,4,4,5,6,7 if n has to be exceed 7000000
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Answer:
360 ways
Step-by-step explanation:
As per the given condition, number in the highest position should be 7.
If the first digit is 7, the other digits can be arranged in 6!/2!
= ways.
Thus required possibilities for n,
= 360 ways
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