=> 4 sin2 30˚ - tan2 60˚ + sec2 45˚ => 4 × (1/2)2 - ( √3/1)2 + ( √3)2 => 1 - 3 + 2 = 0
Statements:
No plant is a tree.
No tree is a shrub.
No shrub is a herb.
Conclusions: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
Statements:
Some Planet are Earth.
All Earth are Sun.
All Sun are Galaxy.
Conclusions:
I. At least some Sun ...
Conclusions:
I. All Machines being Tools is a possibility.
II. No screw is a Forks.
III. A few Scissors may be Machines.
Statements:
Statements:
Some pastries are toffees.
All toffees are chocolates.
All chocolates are sandwich.
Conclusions:
I. A...
Statements:
Only Bike is Car.
No Bike is Train.
Only a few Train is Buses.
Few Tram is Bike.
Conclusion: <...
Statement : Â Â Â Â Â Â
Some plugs are tablets.                           Â
No tablet is a door.   Â...
Statements:
No Lamp are Light.
No Light are Bulb.
All Tube are Bulb.
Conclusions:
I. At least some Tube being Light i...
Statements:
Some years are months.
Some months are days.
Some days are weeks.
Conclusions:
I. No year is ...
Statements:
Only a few A is B.
Only B is C.
Some A is D.
Conclusions:
No D being C is a possibility.
All B...
Statements:
All clouds are earths.
No earth is a planet.
Conclusions:
I. No cloud is a planet.
II. Some pl...
