Let the present age of Eve be ‘e’ years. Thus, the present age of Derek = ‘2e’ years. Let the present age of Fred be ‘e + 5’ years. ATQ, (2e + 7) = 1.5 × (e + 5 + 7), Or, 2e + 7 = 1.5e + 18, Or, 2e – 1.5e = 18 - 7, Or, e = 11, Therefore, 2e = 22. Therefore, the current age of Derek = 22 years.
Statement: Â Â Â Â Â
Some Sparrow are Bird. Â Â Â Â Â Â
Few Bird are not Camel. Â Â Â Â Â
Only Parrot is Camel.
Â...
Statements: All watches are wall clocks.
Some wall clocks are calculators.
Conclusions: I. No watch is a calculator.
II. Some cal...
Statements:
Only CEO are BOD.
Only a few CEO are CGM.
No CEO is MD.
A few MD are GM.
Conclusions:
Statements:Â Â Â Â Â Â Â Â Â Â Some fox are wolf.
All wolf are deer.
                              No de...
Statements:
No waiter is a bar.
Some bars are bottles.
All bottles are drinks.
Some drinks are motels.
Conclusions:
Statements:
All Haunt are Place
All Place are Destination
Only a few Place is Tourist
Conclusions:
I. All ...
Statements:Â
Some Gases are not Solids.
All Solids are Liquid.
Only a few Liquid are Precipitation.
Conclusions:
Statements:
Only White are Grey
No Blue are Black
All Blue are White
Conclusion:
I. Some Blue can be Grey
<...Statements:
All Textiles are Clothes.
Only few Clothes are Inputs.
Only few Inputs are Output.
No Output is a Unit.
C...
Statements:
All charts are graphs.
Some graphs are data.
Some data are details.
Conclusions:
I. Some graphs a...
