There are 7 pair of shoes. The colour of all the pairs are different. There is dark in the room. What will be the probability to get a complete pair? Left and right leg shoes can be differentiated.
5 pairs of two ball (1 white and 1 red) are available. We have to select 1 white and 1 red ball. What will be the probability to select both the balls of same pair?
A student get 450 marks out of 500 marks in an exam having subject Hindi, Mathematics, Physics, Chemistry and English. For qualifying an exam of Science his score should be 90% in 3 subjects Physics, Chemistry and Mathematics. What will be the probability to get his success in that exam ?
Three ladies get together for a bit of fun. When they arrive they all kick off their shoes. Unfortunately, when they leave they are not quite in the same frame of mind so they each grab a left shoe and a right shoe at random, and put them on. What is the probability that when they leave that none of them is wearing either of their own shoes?
What will be the probability to form word NOTEBOOK by using letters B,E,K,N,O,O,O and T. If you have to make arrangement of E,N,O and T first, after then you have to arrange B,K,O and O.
There is a dressing drawer which contains the following colored socks in pairs: Purple, Magenta, Crimson, White, Yellow and Turquoise. Now, the socks are paired and each pair is together in the matching set. There is no light in the room and you open the drawer and pick up a pair. Then, without noticing any color, you keep them back and pick up again.
Can you calculate the probability that the pair of socks was Yellow both the times?
