Question
Boat ‘A’ covers 150 km in downstream in 15 hours. If
the speed of stream is 2 km/hr then find the time taken by boat ‘A’ to cover 108 km in upstream.Solution
Downstream speed of boat ‘A’ = 150/15 = 10 km/hr Speed of boat ‘A’ in still water = 10 – 2 = 8 km/hr Upstream speed of boat ‘A’ = 8 – 2 = 6 km/hr Time taken by boat ‘A’ to cover 108 km in upstream = 108/6 = 18 hours
Statements:
All lion are tiger
No tiger is a cat
No lion is a dog
Conclusions:
I. Some lion are not cat
II. Some tiger are not dog
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Some silks are fibres.
No fibre is a polyesters.
Some polyesters are nylons.
Conclusion:
I. Somesilks...
Statements:a. Some children are men
b. All men are old
Conclusions:I. Some men are children
II. Some old are men
Statement
Only a few A is B
All A is C
No C is D
Conclusion
I) No A is D
II) All A being B is a possibil...
In the given question, three conclusions are given and five statements as 1), 2), 3), 4) and 5). You need to choose the option that contains the set of...
In the question below there are three statements followed by three conclusions I, II and III. You have to take the four given statements to be true eve...
Statements:
Only a few Facebook are Messenger.
No Messenger is Hangout.
Only a few Snapchat are Whatsapp.
No Whatsapp...
- Statements:
All Months are Years.
Only a few Years are Weeks.
No Week is Day.
Conclusions:
I. All Months can be Weeks. Statements:
All districts are towns.
No town is a city.
All cities are centres.
Conclusion:
I. Some towns are dis...
Statement:
Only GMs are PMs
Only a few CMs are president
No president is PM
Conclusion:
I. Some GMs are presidents
