Forgot password? New user? Sign up

Existing user? Log in

Find the last two digits of $3^{400}$.

In basketball, after making a shot, a team may either score two points or three points.

At the end of a game, a team scored a total of $92$ points ...

Let a be any positive integer, such that $2^a - 1$ is not divisible by 3 then $2^{a-1} - 1$ is divisible by 3 always.

True or False?

Alice has a $420 debt in account A and a $315 debt in account B. She wants to write a program that will make those payments by an equal amount ...

Problem Loading...

Note Loading...

Set Loading...