A coin is so unbalanced that you are likely to get two heads in two successive throws as you are to get tails in one |
January 12, 2021 - 12:30am |

A boat going upstream takes 1.5 times longer than going the same distance downstream. If the water current in the river is 8 kph, calculate the speed of the boat in still water. |
January 14, 2021 - 9:03am |

A circle has an equation of x^2 + y^2 + 2cy = 0. Find the value of c when the length of the tangent from (5, 4) to the circle is equal to one. |
February 28, 2021 - 1:05pm |