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Start learning 50% faster. Sign in nowLet the length of train ‘A’ be ‘x’ metres Therefore, length of the goods train = ‘4x’ metres Speed of train ‘A’ = 81 × (5/18) = 22.5 m/s According to the question, 4x + x = 22.5 × 24 => 5x = 540 => x = 108 Therefore, time taken by train ‘B’ to cross train ‘A’ = {(108 + 200)/(24 + 20)} = 7 seconds
Statements:Some combs are boxes.
All boxes are mirrors.
Conclusions:I. Some boxes are combs.
II. Some mirrors are combs.
Statements:
All summers are winters.
Only a few summers are spring.
Some springs are autumn.
No autumn is season.
...
Statements:
All actors are directors.
Some directors are dancers.
All dancers are wri...
Statements:
Some letter are alphabets.
All alphabets are vowels.
Some vowels are consonants.
Conclusions:
I. Atleast ...
Statements:
All Books are Chapter.
Only a few Chapter are Topic.
No Topic is a Header.
Conclusions:
I. Some Chapters ...
Statements:
Only a few Car are Bike.
Some Bike is not Cycle.
All Scooty is Cycle.
Conclusions:
Some Car can be Cy...
Statements: Some cars are scooters.
All scooters are bikes.
Conclusions: I. some cars are bikes.
II. Some...
Statements: Some hawk are cuckoo.
All cuckoo are duck.
Conclusions: I. some hawk ...
Statements:
Some label is brand.
All brand is price.
No price is promotion.
Every promotion is package.
Conclusions:<...
Statements:
All signals are mobile.
Some mobile are expensive.
All expensive are rare.
Conclusion:
I. Some expens...