The sum of even numbers between 1 and 31 is:

The remainder when 3<sup>0</sup> + 3<sup>1</sup> + 3<sup>2</sup> + 3<sup>3<…

What decimal of a week is an hour ?

How many number between 1000 and 5000 are exactly divisible by 225 ?

How many $$\frac{1}{6}$$ of together make $${\text{41}}\frac{2}{3}$$ ?

Unit digit in $${\left( {264} \right)^{102}} + {\left( {264} \right)^{103}}$$    is :

The remainder of $$\frac{{{2^{59}}}}{{255}}$$ is:

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8 ?