If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?
91 - 7 X 18 ÷ 5 + 108 - 12
91 - 7 X 18 ÷ 5 + 108 - 12 91 ÷ 7 + 18 X 5 - 108 ÷ 12 13 + 90 - 9 103 - 9 = 94
Given that E and F are events such that P(E) = 0.7, P(F) = 0.4 and P(E ∩ F) = 0.3, find P(E|F) and P(F|E)
A box contains 5 blue jellies, some red jelly and rest yellow jelly. The probability of picking a red ball at random is 3/10, while the probability of p...
A box contains 5 red, 6 green and 3 yellow balls. 2 balls are drawn at random. What is the probability that they are not of the same colour?
A bag contains 5 black balls,“a” white balls and “b” purple balls. If one ball taken out from the bag, then probability of being it white is 2/7...
One summer peter visits 4 villages (A, B, C and D) in a random order. Find the probability that he visits (i) A before B (ii) A before B and B before C ...
In a purse, there are 3 two-rupee coins and 4 five-rupee coins. If you randomly select 4 coins from the purse, what is the probability that you will cho...
If a coin is tossed 10 times then what is the probability of getting three heads?
If the letters of the word PLAYERS be arranged at random, what is the probability that there are exactly five letters between P and S?
Given that E and F are events such that P(E) = 0.8, P(F) = 0.4 and P(E∩ F) = 0.2. Find P(F|E).
A bag contains 9 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
