(2*2)-1=4-1=3 (3*2)-2=6-2=4
My house number is such that, when divided by 2, 3, 4, 5 or 6 it will always leave a remainder of 1.
However, when divided by 11 there is no remainder. What is my house number?
The sum of all digits of a 5 digit number is equal to the number of two digit formed by using the ten thousands and hundreds place digit in order. If five digit number has 1, 2 , 3 & 4 and no digit is repeated in the number, then What are the total number of possible number?
Place numbers 1 to 15 in the white circles so that the distance from 1 to 2, 2-3, 3-4 and so on progressively increase each time.
Use the digits 1, 2, 3, 4, 5 and 6 once only, in this multiplication sum to make it correct.
? ? x ? ——- ? ? ?
