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Let the speed of stream be ‘x’ km/hr. So, speed of boat in still water = 7 × x = 7x km/hr Downstream speed of boat = 7x + x = 8x km/hr According to question; 8x = 144/9 = 16 Or, x = 2 Upstream speed of the boat = 7x – x = 6x = 6 × 2 = 12 km/hr Required time taken = 120/12 = 10 hours
Statement:
Some lehenga are saree.
Only a few suit are dhoti.
Only a few dhoti are hanky.
All lehenga are hanky....
In the question below two statements are given fol lowed by three conclusions I and I I. You have to take the given statements to be true eve...
. Statements:
Some ovens are microwaves.
Only a few microwaves are toasters
No oven is a grinder
Conclusions:
I. All ...
Statements:
All jacket are coat.
All coat are blazzers.
All blazzers are shir...
Statement:
No black is blue
Some black are red
Only a few blues are orange
Conclusion:
I. All red can never be blue
Statements:
Only Doctor are Pilots
Some Doctor are not Lawyer
100% Lawyer are Teacher
Conclusions:
I. Some Lawyer are...
Conclusions:
No Maruti is Toyota.
Some Honda are Kia.
Statements:
Statements:
Only cloth are cotton
Some cloth are Nylon
Only a few Nylon are woolen
Conclusions:
I. At least som...
