The remainder when $(3{)}^{67}$  is divided by 80 :

The number \( 10^{N}-1 \) is divisible by 11 for :

If $2x=3y=4z=5u$ and $x, y , z, u$  are natural numbers then$x+ y + z+ u$  is always divisible by:

A men leaves Rs.8600 to be divided among  5 sons, 4 daughters and 2 nephews, If each daughter receives four times much as each nephew and each son receives five times as much as each nephew, how much does each daughter  receive ?

If three positive real number $x,y,z$ satisfy $y-x=z-y$ and $xyz=4$,then what is the minimum possible value of $y$?

An LCD panel is used for a computer monitor.  When rounded to the nearest$\mathrm{inch}$, the length of the monitor is $16 \mathrm{inches}$ and the width is $12 \mathrm{inches}$.  Which of these cannot be the area of the monitor?

Simplify: $\sqrt[3]{8}$