In a box, there are 28 marbles of which x are green and the rest are white. If the probability of getting a green marble is `2/7`. Number of white marbles in the problem=………

In a box, there are 28 marbles of which x are green and the rest are white. If the probability of getting a green marble is 2/7 . Then number of green marbles=…….

What is the probability of getting a white marble from a jar which has 3 red, 7 green, and 10 white marbles ?

A jar contains 54 marbles each of which is blue, green or white. The probability of selecting a blue marble at random from the jar is 1/3, and the probability of selecting a green marble at random is 4/9dot How many white marbles does the jar contain?

A jar contains 54 marbles each of which is blue, green or white. The probability of selecting a blue marbles at random from the jar is (1)/(3) and the probability of selecting a green marble at random is (4)/(9) . How many white marbles does the jar contain ?

A jar contains 54 marbles each of which is blue,green or white.The probability of selecting a blue marble at random from the jar is (1)/(3), and the probability of selecting a green marble at random is (4)/(9). How many white marbles does the jar contain?

A jar has 54 marbles coloured white, blue, and green. The probability of selecting a blue one at random is 1/3 and probability of selecting a green marble is 4/9 . How many white marbles does the jar contain ?

There are 10 marbles in a box which are marked with the distinct numbers from 1 to 10. If a marble is drawn, then what is the probability of getting prime numbered marble ?

A jar contains only red marbles and white marbles. If the probability of selecting a red marble is (r)/(y) , which of the following expressions gives the probability of selecting a white marble, in terms of r and y?