The sum of the two digit number is 7. The ten digit is one less...

a 3 digit, and 1 digit number have a sum of 147, a different of 133 and a product of 980. find the n...

A certain nine digit number has only ones in ones period,only two’s in the thousand period and only...

N is an even 3-digit number such that the last 3 digits of N*N are N itself. What is the value of N?

N is a 3-digit number that is a perfect square. When the first digit is increased by 1, the second d...

I am a 2 digit number. I am even. My digits have a difference of 1. I am not a multiple of 5. The su...

I am a three digit number less than 300. I am divisible by two and five but not 3. What number am I?

I am a 3 digit number whose tens place is 5 more than the ones and hundreds place is 8 less than the...

In a two digit number the digit in the unit place is 6 less than twice the digit in the tenth place....

I am a five digit number. Digit at ones place is same as digit at tens place and their sum is 2. Dig...

How many even four-digit numbers, all of the digits different, can be formed from the digits 0 to 8,...

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