How many such pair of letter are there in the words ' REVOLATION ' which have the same number of latter between them as they have in the English alphabetize series in the both directions.
The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of rando...
There are (m + 4) red roses, (m + 11) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/16, then find the valu...
If A and B are events such that P(A|B) = P(B|A), then which of the following is true
A bag contains 10 black and 12 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...In a factory which manufactures calculators, machines A, B and C manufacture respectively 25%, 35% and 40% of the calculators. Of their outputs, 5, 4 an...
Two hats are picked at random, what is the probability that all hats are of green colour?
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 4 times in every 11 throws and bulb breaks 3 times out of 7 hits, then find the...
In a box there are 3 pink, 5 black, and 9 yellow flowers. One flower is picked up randomly. What is the probability that it is neither pink nor black? <...
Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?
