An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he is not permitted to answer more than six questions from any group. In how many ways can he answer the eight questions?
Required number of ways = (⁸C6 × ⁸C₂ + ⁸C5 × ⁸C₃ + ⁸C4 × ⁸C4 + ⁸C₃ × ⁸C5 + ⁸C₂ × ⁸C6) = (28 × 28 + 56 × 56 + 70 × 70 + 56 × 56 + 28 × 28) = 12,740
Statements: Some reds are blues.
Some blues are greens.
Conclusions: I. Some reds are greens.
II. Some blue...
Statement : Some towers are pillars.
Some pillars are buildings.
All buildings are flats.
No flat is a house.
Conclusion:...
Some tubes are not lamps. Some tubes may not be bulbs. All wires may be tubes.
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statement
Only a few A is B
No B is C
Some C is D
Conclusion
I) All A can never be C
II) All B c...
Statements:
Some Ones are Two.
Only a few Two is Three.
Only Three is Four.
No Three is Five.
Conclusions:
...Statements :
All SBI is RBI.
Only a few RBI is UCO.
Only a few UCO is UGB.
No UGB is IDBI.
Conclusions :
I...
Statements: All phones are battery.
No battery is a network.
...
Statements:
No Clips is a Clamps.
Some Clamps are Pin.
All Pin are Buttons.
Only few Buttons are Chops.
Conclusion...
Statements:
All pen drives are tablets.
All tablets are cellphones.
Conclusions:
I. At least Some cell phones are pend...
