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Upstream speed = 294/7 = 42 km/h Downstream speed = 486/9 = 54 km/h Speed of boat in still water = (42 + 54)/2 = 48 km/h Speed of stream = (54 – 42)/2 = 6 km/h Increased speed of boat in still water = 48 + 4 = 52 km/h Decreased speed of stream = 6 – 2 = 4 km/h Required time taken = 720/(52 – 4) + 616/(52 + 4) = 15 + 11 = 26 hours
Statements: All cans are vessels.
Some vessels are jars.
All jars are containers.
Some conta...
Statements:
Each hand is pump.
Every pump is tap.
Some hand are water.
Conclusions:
I. Some pump are water.
II. No water is tap.
III. Some tap are hand.
Statements:
Only a few subject is colour
Only few colour is game
Only game is mobile
Conclusions:
I. Some colour bein...
Statements: All flowers are books.
All books are carpets.
Some carpets are keys.
Some keys are locks.
Conclusions:I. Some ke...
Statement:
Only a few D are N.
No N are C
Conclusion:
I. Some D are not C
...Statements : Some fathers are mother.
All mothers are son.
...Statement:
Only a few P are Q
Only a few Q are P
Conclusion:
I. All Q bei...
If all the letters in the word ‘SWEATSHIRT’ are arranged in alphabetical order from left to right such that the vowels are arranged first foll...
Statements:
Some Mobile are Sim
All Mobile are Cable
No Cable is an Adapter
Only a few Cups are Adapter
Statements:
All Textiles are Clothes.
Only few Clothes are Inputs.
Only few Inputs are Output.
No Output is a Unit.
C...
