Question
A three-letter word is to be formed such that the first
and last letters are consonants and the middle letter is a vowel. How many such words can be formed?Solution
ATQ, Number of ways to choose the first letter (consonant) 21C1 = 21 Number of ways to choose the second letter (vowel) = 5C1 = 5 Number of ways to choose the third letter (different vowel) = 21C1 = 21 (Since it must be different from the first vowel) Hence total number of ways = 21 × 5 × 21 = 2205 ways
Which of the following is the code for “all are man” ?
a certain code language, ‘MACHINES’ is written as ‘HCAMSENI’. How will ‘PARALLEL’ be written in that language?
If ‘CAREFUL’ is coded as ‘1357496’, and ‘TIER’ is coded as ‘2875’, what will the figures ‘ 385276 ’ represent?
...which of the following will be the code of "Here"?
If ECONOMY is written in a certain code as HARLRKB how is NETWORK written in that code?
In a certain code language ‘SHINE’ is written as ‘ITIFO’ and ‘PRIVATE’ is written as ‘JSQVFUB’. How is &...
What may be the code for “to have faith”?
- In a certain code language, ‘POSITIVE’ is written as ‘SRVLWLYH’. How will ‘LANTERN’ be written in that language?
In a certain code language ‘GRACE’ is written as ‘FQBBF’ and ‘STARE’ is written as ‘RSBQF’. How is ‘STUMP’ written in that code? �...
What is the code for “Unsettling conservative”?
Relevant for Exams:
