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Let (1 + x + x2 + … + x2n) (1 – x + x2 – x3 + … + x2n) = a0 + a1 + a2 + a3+ …… Put x = 1 => 2n + 1 = a0 + a1 + a2 + a3 + …… …(i) Put x = -1 => 2n + 1 = a0 – a1 + a2 – a3 + …… …..(ii) Add (i) and (ii), we get 2n + 1 = 89 Or n = 44
Statements: All cans are vessels.
Some vessels are jars.
All jars are containers.
Some conta...
Statements:
Each hand is pump.
Every pump is tap.
Some hand are water.
Conclusions:
I. Some pump are water.
II. No water is tap.
III. Some tap are hand.
Statements:
Only a few subject is colour
Only few colour is game
Only game is mobile
Conclusions:
I. Some colour bein...
Statements: All flowers are books.
All books are carpets.
Some carpets are keys.
Some keys are locks.
Conclusions:I. Some ke...
Statement:
Only a few D are N.
No N are C
Conclusion:
I. Some D are not C
...Statements : Some fathers are mother.
All mothers are son.
...Statement:
Only a few P are Q
Only a few Q are P
Conclusion:
I. All Q bei...
If all the letters in the word ‘SWEATSHIRT’ are arranged in alphabetical order from left to right such that the vowels are arranged first foll...
Statements:
Some Mobile are Sim
All Mobile are Cable
No Cable is an Adapter
Only a few Cups are Adapter
Statements:
All Textiles are Clothes.
Only few Clothes are Inputs.
Only few Inputs are Output.
No Output is a Unit.
C...
