Question
Using all the letters of the word CANOER, how many words
start with a vowel but end with a consonant?Solution
The word CANOER has three vowels – A, O, E.
If a word starts and ends with a vowel: 3P2 = 6 ways
Remaining 4 letters → 4! = 24
Total = 6 × 24 = 144
Start with vowel, end with consonant:
Start: 3 vowels → A, O, E → 3 ways
End: C, N, R → 3 ways
Remaining 4 letters → 4! = 24
Total = 3 × 3 × 24 = 216
Statements:
Some bats are balls
All balls are stumps
Conclusions:
I. Some stumps are bats
II. Some bats ar...
Statements: Some doors are windows.
All houses are windows.
No mirror is a door.
Conclusions: I. Some doors are mirror
...Statements: All watches are clocks.
Some wall clocks are calculators.
Conclusions: I. No watch is a calculator.
II. Some calculat...
Statement:
All Chairs are Sofa.
All bookshelf are Sofa.
All Beds are Chairs.
All cabinet are Sofas.
Conclusion: ...
Statements:
Some laptops are printer.
All printer are camera.
Some camera are scanner.
Conclusions:
I. Some l...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements-
1. All phones are wires.
2. All switches are wires.
3. Some wires are poles.
4. Some poles are not phones.
<...Statements:
All hotels are buses.
Some buses are cars.
All cars are trams.
Some trams are clouds.
Conclusions:
Statements:
Some label is brand.
All brand is price.
No price is promotion.
Every promotion is package.
Conclusions:<...
Statements:
Some authors are teachers.
All teachers are poets.
Some poets are artists.
Conclusions:
I. Some auth...
