Question
Which of the following words cannot be formed by using
the letters of the word ‘ INSTRUCTION ’?Solution
There is no ‘ K ’ in the given word.
Two letters are selected randomly without replacement from the word ‘PROBABILITY’. Find the probability that both selected letters are consonants.
A bag contains a certain number of fruits of three varieties: apple, orange, and banana. The total number of apples and oranges is 13, which is 5 more t...
A box contains red, green, and blue balls. The probability of picking a blue ball at random is 1/4. The combined number of red and green balls is 15. If...
In how many ways can the letters of the word "EXAMPLE" be arranged, and what is the probability that all the vowels in these arrangements always appear ...
- If 4 cards fall out while shuffling a deck of 52 cards, what is the probability that all of them are aces?
1. 1/ 52 C 4
2. 4/ 52... A bag contains 25 white and some black balls. If the probability of drawing a black ball from the bag is 1.4 times that of drawing a white ball, find th...
A bag contains (a + 2) red pens, (a – 3) green pens, and (a – 7) blue pens. Two pens are drawn in succession without replacem...
- A basket contains x green apples, (x + 2) red apples and (x + 10) yellow apples. If probability of getting a red apple is 1/8 more than that of getting a g...
A basket contains 3 yellow, 5 purple and 3 red flowers. If 3 flowers are drawn at random, what is the probability that at least two are of same colour?
16 rotten bananas are accidentally mixed with 155 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
