If you toss a coin ten times and it lands heads up every time, what is the probability that it will land heads up if you toss it again?
How much times (in years) will it take for an amount of Rs. 450 to yield Rs. 162 an interest at 4.5% per annum of simple interest?
Suppose ABCD is a square. Let E be interior to the square such that EDC = ECD = 15°. What is the measure of angle EBC?