Question
What is the minimum distance required for an obstacle to
produce a distinct echo?Solution
The minimum distance required for an echo to be heard is 17.2 meters at a temperature of 22 degrees Celsius, with the speed of sound in air being approximately 344 m/s.
Statements:Â
All aeroplanes are trains.
Some trains are chairs.Â
Conclusions:
I. Some aeroplanes are chairs.
II. So...
Statement : Â
Some candles are matches.
Some matches are rockets.
Conclusion:
I. Atleast some rockets are candles.
II. No rocket is a candle.
Statements :No mango is a guava.
Some guavas are oranges.
Some oranges are apples.
Conclusions :I. Some apples are oranges.
...
Statement : Â Only Phone are Charger
Few Battery are phone
None of the Power bank are battery.
Conclusion
I.A few charge...
Statements: Some windows are door.
                         Some door are watch.
Conclusions: I. Some windows a...
Statement:
Some trees are flowers.
Some flowers are branches.
All branches are petals.
Conclusion:
I. Some trees ...
Statements:Â All bulls are cows.
                             No cow is ox.
             ...
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...
Some laptops may be buses. Some buses are not mouse. Some pendrives may be buses.
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...