Question
21 rotten bananas are accidentally mixed with 135 good
ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banana is taken out at random from this lot. Determine the probability that the banana is taken out is a good one.Solution
Numbers of bananas = Numbers of rotten bananas + Numbers of good bananas ā“ Total number of bananas = 135 + 21 = 156 bananas P(E) = (Number of favourable outcomes) / (Total number of outcomes) P(picking a good banana) = 135/156 = 45/52Ā
All the letters of the word āMAGAZINEā are arranged in alphabetical order from right to left. Then all the consonants are replaced with the previou...
If the consonants of the following words are arranged first, followed by the vowels as per the English alphabetical order and then the consonants are ch...
How many pairs of letters are there in the word “MAGNESIUM” each of which have as many letters between them in the word as they have between...
If in the number 6895476316, all digits are arranged in increasing order from right to left than how many digits remain the same place in the new arrang...
If all the consonants of the word āINFRASTRUCTUREā are replaced by immediate preceding letter in the alphabetical series, how many vowels are there...
Which of the following letter will be 7th letter from the left end if the letters at odd positions are replaced by succeeding letter in the word āMEM...
If all the letters in the word ‘ATMOSPHERE’ are arranged in alphabetical order from left to right such that the vowels are arranged first f...
How many pairs of letters are there in the word 'REQUIREMENT' which has as many letters between them (both forward and backward) in the word as in the E...
If each vowel of the word āFRIGHTENEDā is changed to the next alphabet as per English alphabetical series and each consonant is changed to previous ...
The position of how many letters will remain unchanged, if each of the letters in the word 'AUDIENCEā is arranged from left to right as per English A...
Relevant for Exams:
