How many such pairs of letters are there in the word ‘DISPLACED’ each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical order?
IL, AD, DE
An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he...
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
In how many ways a Cricketer can make a Double century with fours and Sixes only?
Geography books are always together.
In how ways can the selection be made so that a particular member is always included?
There are 10 members in a delegation which is to be sent at SAARC summit. The total number of members is 18. In how many ways can the selection be made ...
How many numbers of five digits may be formed with the digits 5, 0, 9, 0, and 6?
In how many different ways can the letters of word ‘PUMPKIN’ be arranged?
An examinee is required to answer 7 questions out of 14 questions, which are divided into two groups each containing 7 questions. He is not permitted to...
There are 14 candidates for 5 post. In how many different ways can be post be filled?
