Let the speed of the stream be x km/hr and both the boats meet after t hours According to the question, ⇒ (13 + x) t + (15 – x) t = 140 ⇒ 13t + 15t = 140 ⇒ 28t = 140 ⇒ t = 140/28 = 5 hours
Statements:
All Pointers are Guns.
Only a few Guns are Cracker.
Some Cracker are not Bullets.
Conclusions:
<...Statements: All letters are digits.
No number is a digits.
Some words are...
Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.
Statements: All Bikes are Cars.
Some Cars are scooty.
Conclusions: I. Some Bikes are scooty.
II. Some Cars are Bikes.
III...
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statements: No data is a number.
Some numbers are not letters.
Only letters are consonants.
Conclusions: I. All letters may be co...
Statements: All school are college.
Some college are not institutions.
All institutions are university.
Conclusions: I. some ...
Statement :
All flowers are thorns.
Some flowers are leaves.
Conclusion:
I. No leaf is a thorn.
...Statements-:
Only a few Apple are not Mango
Some mangoes are orange
All orange are grapes
Conclusions-:
I. All ...
Statements: Some tigers are lions.
No lion is a leopard.
Some leopards are Fox.
