If a 240-metre-long metro rail passes a pole in 24 seconds, how long will it take to pass a 650-metre-long platform?

The daily rate for a hotel room that sleeps 4 people is Tk. 390 for one person and X taka for each additional...

The value of a machine is Tk.6250. Its value decreases by 10% during the first year, 20% during the second yea...

The average temperature for the first 4-days of a week is 40,2º C and that of the last 4-days is 41.3°C. If th...

If the radius of a circle is increased by 100%, by what % is the area of the circle increased?

What would be the measure of the perimeter of a square whose area is equal to 256 square cm?

If a, b, and c are the lengths of the three sides of a triangle, then which of the following is true?