A mob of circlets on the field; half of fire, half of night. When royalty they double size. A simple, bloodless fight. What is it?
If in a room there is an amoeba and he make him self double every second and will fill the entire room in 1 hour. When (in seconds) will amoeba fill a half the room?
The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. What is the simple interest on the same sum for triple the time at half the rate percent per annum?
