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Let the speed of the boat in still water = 35x km/hr And the speed of the current = 6x km/hr Time = 5 hours 10 minutes = 31/6 hrs Downstream speed = 35 + 6 = 41 km/hr Upstream speed = 35x - 6x = 29x km/hr Distance = Downstream speed x Downstream time Distance = [41x x (31x/6)] km Upstream time = Distance / Upstream speed Upstream time = [41x x (31x/6)]/29x = 1271/174 = 7(1/2) hrs
Statements:
Only a few Rays are Radiation.
Some Radiations are laser.
Only Lasers are Derma.
Conclusion
I) Some...
Statements: Only cars are motorcycles.
No motorcycle is a bike.
Some bikes are scooters.
All scooters are jeeps.
Co...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Statements:
Only a few floods are rain
No Rain is a Clouds
All Clouds are Drought.
Some Roof are Drought
Conclusio...
Statement:
Some Namkeen are not biscuit.
All biscuit are toffee.
Some toffees are not chocolate.
Conclusion:
1. ...
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...
Statement:
All chess are badminton.
All badmintons are carom.
Some badminton is ludo.
Conclusion:
I. All chess ...
In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they see...
Statements:
Some chalks are wires.
No wire is pole.
Some poles are irons .
Conclusions:
I. No pole is a wire.
...