Mathematics Past Questions and Answers

A bag contains 10 balls of which 3 are red and 7 are white. Two balls are drawn at random. Find the probability of none of the balls is red, if the draw is<br/>With replacement:

A bag contains 10 balls of which 3 are red and 7 are white. Two balls are drawn at random. Find the probability of none of the balls is red, if the draw is<br/>Without replacement

What is the value of \((x+y)\) in the equations \(\log _{3}^{x}=y=\log _{0}^{2 r-1}\) ?

In Roman numeral, add LXX to XC

In Roman numeral, divide \(CC\) by \(XL\).