1. The first digit is twice the value of the fourth
and two more than the second. The third digit is
one more than the first and five more than the
fourth.
Answer
2. The first digit is the sum of the
last two digits.
The second digit is twice the first digit and is also
three times the fourth digit. The total of all five
digits is 16.
Answer
3. The first two digits form a number that divided by
the fourth digit gives the fifth digit. The second
digit is uneven and higher than the first and higher
than the last. The third digit is four times the first digit.
Answer
4. The total of all four digits added together times
the fourth digit is equal to the number formed by
the last two digits. The initial four digits number
divided by de fourth digit gives a number that consist
of three different numbers that aren't used in the initial
number, and which add up to 8.
Answer
5. This one is a bit tricky. The value of the third cubed,
is equal to the value of the first. The value of the second
is worth half of the first. The total value is more than 999
and less than 1999.
Answer
6. My first is a number, my second another,
And each, I assure you, will rhyme with the other.
My first you will find is one-fifth of my second,
And truly my whole a long period reckoned.
Yet my first and my second (nay, think not I cozen),
When added together will make but two dozen.
How many am I?
Answer
7. Write five digits in a line.
All are different--none are nine.
Three are odd, not so the others;
Each alternates with its brothers.
Twice the first gives you the fourth.
First plus second equals the third.
Before you write them down too fast,
Third plus fourth gives you the last.
Answer
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