A thief wants to open a lock with 5 digits as the key to open it. He knows that the 3rd digit is three less than 2nd digit, while 2nd digit is four smaller than 4th digit. The first digit is three times the fifth digit. There are three pairs whose sum is 11 and third and fifth digits are equal. Find the key to open the lock.
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4
Answer:
Number is 65292
Step-by-step explanation:
Let the number is abcde. a = 3e, b = d - 4, c+3 = b, c = e.
So we get the number as 3c, c+3, c, c+7, c.
By putting the value of c=1, the sum cannot be 11. By putting c=2, we get 3 pairs whose sum is 11. So the number is 65292.
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0
Answer:
65292
Step-by-step explanation:
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