Speed of downstream = D/T = 30 × (60/45) = 40 km/hr The ratio of the speed of the boat in still water to the speed of the stream = 5: 3 (5x, 3x) => 8x = 40 => x = 5 Speed of upstream = 5x – 3x = 2x = 10 km/hr Distance = 25 km Time = D/S = 25/10 = 2(1/2) hr = 2 hour 30 min
Statements:All Januarys are Februarys.
No February is March.
All marches are Aprils.
Conclusions:
I. Some March are not Febr...
Statements:
No Addition is a Multiplication.
Some Multiplication are Subtraction.
All Subtraction are Division.
Only few Div...
Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.
Statements:
All jokers are clowns.
All clowns are masters.
Conclusions:
I. All jokers are masters. ...
Two Statements are given, followed by three conclusions numbered I, II and III. Assuming that the information given in the statement s is true, even if...
Statements:
Only a few Black is Grey.
Only Grey is White.
Some Black is Blue.
Conclusions:
No Blue being White is...
Statements:Some pins are needles.
All needles are ropes.
Some ropes are buckets.
All buckets are trees.
Conclusions:I. Some ...
Statements:
Only Pocket are Purse
All Chain are Pocket
A few Zip are Pocket
Conclusions:
I. Some Zip can never ...
Statement:
Only a few Lion is Leopard.
All Leopard is Tiger.
Some Leopard is Onion.
Conclusion:
I. No Tiger ...
Two statements are given followed by two conclusions numbered I& II. Assuming the statements to be true, even if they seem to be at variance with commo...