A number is multiplied by 10 , and that product is added to 5 . The sum is equal to the product of 5 and 5 . Find the number.
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Answer:
336 ways
Step-by-step explanation:
The digits are 1, 2, 2, 4, 5, 5, 6, and 2 that is total eight digits.
The number 654-5222 contains 7 digits.
So, we have find The number of permutations for choosing 7 digits from 8 digits given above.
This can be done in following ways
=
= 336 ways