For the following questions answer them individually
If the arithmetic mean of 17. 2a-b. 2b-c and 2c-a is 20 then the arithmetic mean of a, b, c is
From a well-shuffled deck of playing cards the probability of choosing a card at random which is either a red card or an ace. is
The probability for a number chosen at random from the first 32 natural numbers to be a composite, is
A bag contains 8 white balls and 6 red balls. The probability of drawing at random two balls of the same colour is
A six sided fairdie is rolled 3 times. Then the probability that the face with the number 6 on it will not face upward onthe three occasions is
The probability that P and Q get the scholarship are 0.6 and 0.8 respectively. Then the probability that exactly one of P. Q gets the scholarship is