If the length and width of a rectangular garden plot were each increased by 20%, what would be the percent increase in the area of the plot?

Salem earns Tk. 8.50 per hour on days other than Sundays and twice that rate on Sundays. Last week he worked a...

If a, b and c are constants, a>b>c, and x3-x=(x-a)(x-b)(x-c) for all numbers x, what is the value of b?

The persons, X & Y, are standing 50 yards apart on a North-South axis. X walks 65 yards to west and Y walks 55...

If 3/x=2 and y/4=3, then 3+y/x+4=?

A ferry can travel twice as fast when empty as when it is full. It travels 20 mile with full load, spends 1 ho...

A man left Tk. 5000 to his three sons X, Y and Z. For every Taka X received, Y received Tk. 1.5 and Z received...